slovodefinícia
lactic
(encz)
lactic,mléčný adj: Zdeněk Brož
Lactic
(gcide)
Lactic \Lac"tic\, a. [L. lac, lactis, milk: cf. F. lactique. See
Lacteal, and cf. Galactic.] (Physiol. Chem.)
Of or pertaining to milk; procured from sour milk or whey;
as, lactic acid; lactic fermentation, etc.
[1913 Webster]

Lactic acid (Physiol. Chem.), a sirupy, colorless fluid,
soluble in water, with an intensely sour taste and strong
acid reaction. There is one center of optical activity,
and this results in the observation of three isomeric
modifications all having the formula C3H6O3; one is
dextrorotatory (L-lactic acid), the other levorotatory
(D-lactic acid), and the third an optically inactive
mixture of the first two (DL-lactic acid); chemically it
is 2-hydroxypropanoic acid. Sarcolactic acid or
paralactic acid occurs chiefly in dead muscle tissue,
while ordinary lactic acid (DL-lactic acid) results from
fermentation, such as the fermentation of milk by lactic
acid bacteria. The two acids are alike in having the same
constitution (expressed by the name {ethylidene lactic
acid}), but the latter is optically inactive, while
sarcolactic acid rotates the plane of polarization to the
right. The third acid, ethylene lactic acid, accompanies
sarcolactic acid in the juice of flesh, and is optically
inactive.

Lactic ferment, an organized ferment (Bacterium lacticum
or Bacterium lactis), which produces lactic
fermentation, decomposing the sugar of milk into carbonic
and lactic acids, the latter, of which renders the milk
sour, and precipitates the casein, thus giving rise to the
so-called spontaneous coagulation of milk.

Lactic fermentation. See under Fermentation.
[1913 Webster +PJC]
lactic
(wn)
lactic
adj 1: of or relating to or obtained from milk (especially sour
milk or whey); "lactic acid"; "lactic fermentation"
podobné slovodefinícia
anaphylactic
(encz)
anaphylactic,anafylaktický adj: Zdeněk Brož
extragalactic
(encz)
extragalactic,mimogalaktický adj: Zdeněk Brož
extragalactic nebula
(encz)
extragalactic nebula, n:
galactic
(encz)
galactic,galaktický adj: luke
intergalactic
(encz)
intergalactic,intergalaktický adj: Zdeněk Brožintergalactic,mezigalaktický adj: Zdeněk Brož
intergalactic space
(encz)
intergalactic space, n:
lactic acid
(encz)
lactic acid,kyselina mléčná n: [chem.] [bio.] macska
prophylactic
(encz)
prophylactic,ochranný adj: Zdeněk Brožprophylactic,profylaktický adj: Zdeněk Brož
prophylactic device
(encz)
prophylactic device, n:
anaphylactic
(gcide)
anaphylactic \anaphylactic\ n. ([a^]n`[.a]*f[imac]*l[a^]k"t[i^]k
or [a^]n`[.a]*f[i^]*l[a^]k"t[i^]k) (Med.)
Of or pertaining to anaphylaxis; caused by anaphylaxis.
[PJC]
anaphylactic shock
(gcide)
anaphylactic shock \anaphylactic shock\ n.
([a^]n`[.a]*f[imac]*l[a^]k"t[i^]k sh[o^]k`) (Med.)
Shock resulting from anaphylaxis[2]. It is a severe form of
physiological shock, often having a fatal outcome, and is
caused by an extreme immunological reaction to antigens. It
is characterized by smooth muscle contraction and capillary
dilation throughout the body, initiated by antibodies of the
IgE class. It is usually seen when an antigen to which a
person has become hypersensitized is injected intravenously
or subcutaneously. It is also called {generalyzed
anaphylaxis} or systemic anaphylaxis, and sometimes
anaphylaxis. --[Stedman]
[PJC + AS]
Bacterium lacticum
(gcide)
Lactic \Lac"tic\, a. [L. lac, lactis, milk: cf. F. lactique. See
Lacteal, and cf. Galactic.] (Physiol. Chem.)
Of or pertaining to milk; procured from sour milk or whey;
as, lactic acid; lactic fermentation, etc.
[1913 Webster]

Lactic acid (Physiol. Chem.), a sirupy, colorless fluid,
soluble in water, with an intensely sour taste and strong
acid reaction. There is one center of optical activity,
and this results in the observation of three isomeric
modifications all having the formula C3H6O3; one is
dextrorotatory (L-lactic acid), the other levorotatory
(D-lactic acid), and the third an optically inactive
mixture of the first two (DL-lactic acid); chemically it
is 2-hydroxypropanoic acid. Sarcolactic acid or
paralactic acid occurs chiefly in dead muscle tissue,
while ordinary lactic acid (DL-lactic acid) results from
fermentation, such as the fermentation of milk by lactic
acid bacteria. The two acids are alike in having the same
constitution (expressed by the name {ethylidene lactic
acid}), but the latter is optically inactive, while
sarcolactic acid rotates the plane of polarization to the
right. The third acid, ethylene lactic acid, accompanies
sarcolactic acid in the juice of flesh, and is optically
inactive.

Lactic ferment, an organized ferment (Bacterium lacticum
or Bacterium lactis), which produces lactic
fermentation, decomposing the sugar of milk into carbonic
and lactic acids, the latter, of which renders the milk
sour, and precipitates the casein, thus giving rise to the
so-called spontaneous coagulation of milk.

Lactic fermentation. See under Fermentation.
[1913 Webster +PJC]
Catallactics
(gcide)
Catallactics \Cat`al*lac"tics\n. [Gr. ? to exchange; kata`
wholly + ? to change.]
The science of exchanges, a branch of political economy.
[1913 Webster]
ethylidene lactic acid
(gcide)
Lactic \Lac"tic\, a. [L. lac, lactis, milk: cf. F. lactique. See
Lacteal, and cf. Galactic.] (Physiol. Chem.)
Of or pertaining to milk; procured from sour milk or whey;
as, lactic acid; lactic fermentation, etc.
[1913 Webster]

Lactic acid (Physiol. Chem.), a sirupy, colorless fluid,
soluble in water, with an intensely sour taste and strong
acid reaction. There is one center of optical activity,
and this results in the observation of three isomeric
modifications all having the formula C3H6O3; one is
dextrorotatory (L-lactic acid), the other levorotatory
(D-lactic acid), and the third an optically inactive
mixture of the first two (DL-lactic acid); chemically it
is 2-hydroxypropanoic acid. Sarcolactic acid or
paralactic acid occurs chiefly in dead muscle tissue,
while ordinary lactic acid (DL-lactic acid) results from
fermentation, such as the fermentation of milk by lactic
acid bacteria. The two acids are alike in having the same
constitution (expressed by the name {ethylidene lactic
acid}), but the latter is optically inactive, while
sarcolactic acid rotates the plane of polarization to the
right. The third acid, ethylene lactic acid, accompanies
sarcolactic acid in the juice of flesh, and is optically
inactive.

Lactic ferment, an organized ferment (Bacterium lacticum
or Bacterium lactis), which produces lactic
fermentation, decomposing the sugar of milk into carbonic
and lactic acids, the latter, of which renders the milk
sour, and precipitates the casein, thus giving rise to the
so-called spontaneous coagulation of milk.

Lactic fermentation. See under Fermentation.
[1913 Webster +PJC]
Galactic
(gcide)
Galactic \Ga*lac"tic\, a. [Gr. ? milky, fr. ?, ?, milk. See
Galaxy, and cf. Lactic.]
1. Of or pertaining to milk; got from milk; as, galactic
acid.
[1913 Webster]

2. Of or pertaining to the galaxy or Milky Way.
[1913 Webster]

Galactic circle (Astron.), the great circle of the heavens,
to which the course of the galaxy most nearly conforms.
--Herschel.

Galactic poles, the poles of the galactic circle.
[1913 Webster]
Galactic circle
(gcide)
Galactic \Ga*lac"tic\, a. [Gr. ? milky, fr. ?, ?, milk. See
Galaxy, and cf. Lactic.]
1. Of or pertaining to milk; got from milk; as, galactic
acid.
[1913 Webster]

2. Of or pertaining to the galaxy or Milky Way.
[1913 Webster]

Galactic circle (Astron.), the great circle of the heavens,
to which the course of the galaxy most nearly conforms.
--Herschel.

Galactic poles, the poles of the galactic circle.
[1913 Webster]
Galactic poles
(gcide)
Galactic \Ga*lac"tic\, a. [Gr. ? milky, fr. ?, ?, milk. See
Galaxy, and cf. Lactic.]
1. Of or pertaining to milk; got from milk; as, galactic
acid.
[1913 Webster]

2. Of or pertaining to the galaxy or Milky Way.
[1913 Webster]

Galactic circle (Astron.), the great circle of the heavens,
to which the course of the galaxy most nearly conforms.
--Herschel.

Galactic poles, the poles of the galactic circle.
[1913 Webster]
Lactic
(gcide)
Lactic \Lac"tic\, a. [L. lac, lactis, milk: cf. F. lactique. See
Lacteal, and cf. Galactic.] (Physiol. Chem.)
Of or pertaining to milk; procured from sour milk or whey;
as, lactic acid; lactic fermentation, etc.
[1913 Webster]

Lactic acid (Physiol. Chem.), a sirupy, colorless fluid,
soluble in water, with an intensely sour taste and strong
acid reaction. There is one center of optical activity,
and this results in the observation of three isomeric
modifications all having the formula C3H6O3; one is
dextrorotatory (L-lactic acid), the other levorotatory
(D-lactic acid), and the third an optically inactive
mixture of the first two (DL-lactic acid); chemically it
is 2-hydroxypropanoic acid. Sarcolactic acid or
paralactic acid occurs chiefly in dead muscle tissue,
while ordinary lactic acid (DL-lactic acid) results from
fermentation, such as the fermentation of milk by lactic
acid bacteria. The two acids are alike in having the same
constitution (expressed by the name {ethylidene lactic
acid}), but the latter is optically inactive, while
sarcolactic acid rotates the plane of polarization to the
right. The third acid, ethylene lactic acid, accompanies
sarcolactic acid in the juice of flesh, and is optically
inactive.

Lactic ferment, an organized ferment (Bacterium lacticum
or Bacterium lactis), which produces lactic
fermentation, decomposing the sugar of milk into carbonic
and lactic acids, the latter, of which renders the milk
sour, and precipitates the casein, thus giving rise to the
so-called spontaneous coagulation of milk.

Lactic fermentation. See under Fermentation.
[1913 Webster +PJC]
Lactic acid
(gcide)
Lactic \Lac"tic\, a. [L. lac, lactis, milk: cf. F. lactique. See
Lacteal, and cf. Galactic.] (Physiol. Chem.)
Of or pertaining to milk; procured from sour milk or whey;
as, lactic acid; lactic fermentation, etc.
[1913 Webster]

Lactic acid (Physiol. Chem.), a sirupy, colorless fluid,
soluble in water, with an intensely sour taste and strong
acid reaction. There is one center of optical activity,
and this results in the observation of three isomeric
modifications all having the formula C3H6O3; one is
dextrorotatory (L-lactic acid), the other levorotatory
(D-lactic acid), and the third an optically inactive
mixture of the first two (DL-lactic acid); chemically it
is 2-hydroxypropanoic acid. Sarcolactic acid or
paralactic acid occurs chiefly in dead muscle tissue,
while ordinary lactic acid (DL-lactic acid) results from
fermentation, such as the fermentation of milk by lactic
acid bacteria. The two acids are alike in having the same
constitution (expressed by the name {ethylidene lactic
acid}), but the latter is optically inactive, while
sarcolactic acid rotates the plane of polarization to the
right. The third acid, ethylene lactic acid, accompanies
sarcolactic acid in the juice of flesh, and is optically
inactive.

Lactic ferment, an organized ferment (Bacterium lacticum
or Bacterium lactis), which produces lactic
fermentation, decomposing the sugar of milk into carbonic
and lactic acids, the latter, of which renders the milk
sour, and precipitates the casein, thus giving rise to the
so-called spontaneous coagulation of milk.

Lactic fermentation. See under Fermentation.
[1913 Webster +PJC]
Lactic ferment
(gcide)
Lactic \Lac"tic\, a. [L. lac, lactis, milk: cf. F. lactique. See
Lacteal, and cf. Galactic.] (Physiol. Chem.)
Of or pertaining to milk; procured from sour milk or whey;
as, lactic acid; lactic fermentation, etc.
[1913 Webster]

Lactic acid (Physiol. Chem.), a sirupy, colorless fluid,
soluble in water, with an intensely sour taste and strong
acid reaction. There is one center of optical activity,
and this results in the observation of three isomeric
modifications all having the formula C3H6O3; one is
dextrorotatory (L-lactic acid), the other levorotatory
(D-lactic acid), and the third an optically inactive
mixture of the first two (DL-lactic acid); chemically it
is 2-hydroxypropanoic acid. Sarcolactic acid or
paralactic acid occurs chiefly in dead muscle tissue,
while ordinary lactic acid (DL-lactic acid) results from
fermentation, such as the fermentation of milk by lactic
acid bacteria. The two acids are alike in having the same
constitution (expressed by the name {ethylidene lactic
acid}), but the latter is optically inactive, while
sarcolactic acid rotates the plane of polarization to the
right. The third acid, ethylene lactic acid, accompanies
sarcolactic acid in the juice of flesh, and is optically
inactive.

Lactic ferment, an organized ferment (Bacterium lacticum
or Bacterium lactis), which produces lactic
fermentation, decomposing the sugar of milk into carbonic
and lactic acids, the latter, of which renders the milk
sour, and precipitates the casein, thus giving rise to the
so-called spontaneous coagulation of milk.

Lactic fermentation. See under Fermentation.
[1913 Webster +PJC]
Lactic fermentation
(gcide)
Lactic \Lac"tic\, a. [L. lac, lactis, milk: cf. F. lactique. See
Lacteal, and cf. Galactic.] (Physiol. Chem.)
Of or pertaining to milk; procured from sour milk or whey;
as, lactic acid; lactic fermentation, etc.
[1913 Webster]

Lactic acid (Physiol. Chem.), a sirupy, colorless fluid,
soluble in water, with an intensely sour taste and strong
acid reaction. There is one center of optical activity,
and this results in the observation of three isomeric
modifications all having the formula C3H6O3; one is
dextrorotatory (L-lactic acid), the other levorotatory
(D-lactic acid), and the third an optically inactive
mixture of the first two (DL-lactic acid); chemically it
is 2-hydroxypropanoic acid. Sarcolactic acid or
paralactic acid occurs chiefly in dead muscle tissue,
while ordinary lactic acid (DL-lactic acid) results from
fermentation, such as the fermentation of milk by lactic
acid bacteria. The two acids are alike in having the same
constitution (expressed by the name {ethylidene lactic
acid}), but the latter is optically inactive, while
sarcolactic acid rotates the plane of polarization to the
right. The third acid, ethylene lactic acid, accompanies
sarcolactic acid in the juice of flesh, and is optically
inactive.

Lactic ferment, an organized ferment (Bacterium lacticum
or Bacterium lactis), which produces lactic
fermentation, decomposing the sugar of milk into carbonic
and lactic acids, the latter, of which renders the milk
sour, and precipitates the casein, thus giving rise to the
so-called spontaneous coagulation of milk.

Lactic fermentation. See under Fermentation.
[1913 Webster +PJC]Fermentation \Fer`men*ta"tion\ (f[~e]r`m[e^]n*t[=a]"sh[u^]n), n.
[Cf. F. fermentation.]
1. The process of undergoing an effervescent change, as by
the action of yeast; in a wider sense (Physiol. Chem.),
the transformation of an organic substance into new
compounds by the action of a ferment[1], whether in the
form of living organisms or enzymes. It differs in kind
according to the nature of the ferment which causes it.

Note: In industrial microbiology fermentation usually refers
to the production of chemical substances by use of
microorganisms.
[1913 Webster +PJC]

2. A state of agitation or excitement, as of the intellect or
the feelings.
[1913 Webster]

It puts the soul to fermentation and activity.
--Jer. Taylor.
[1913 Webster]

A univesal fermentation of human thought and faith.
--C. Kingsley.
[1913 Webster]

Acetous fermentation or Acetic fermentation, a form of
oxidation in which alcohol is converted into vinegar or
acetic acid by the agency of a specific fungus ({Mycoderma
aceti}) or series of enzymes. The process involves two
distinct reactions, in which the oxygen of the air is
essential. An intermediate product, acetaldehyde, is
formed in the first process. 1. C2H6O + O [rarr] H2O +
C2H4O

Note: Alcohol. Water. Acetaldehyde. 2. C2H4O + O [rarr]
C2H4O2

Note: Acetaldehyde. Acetic acid.

Alcoholic fermentation, the fermentation which saccharine
bodies undergo when brought in contact with the yeast
plant or Torula. The sugar is converted, either directly
or indirectly, into alcohol and carbonic acid, the rate of
action being dependent on the rapidity with which the
Torul[ae] develop.

Ammoniacal fermentation, the conversion of the urea of the
urine into ammonium carbonate, through the growth of the
special urea ferment. CON2H4 + 2H2O = (NH4)2CO3

Note: Urea. Water. Ammonium carbonate.
[1913 Webster]

Note: Whenever urine is exposed to the air in open vessels
for several days it undergoes this alkaline
fermentation.

Butyric fermentation, the decomposition of various forms of
organic matter, through the agency of a peculiar
worm-shaped vibrio, with formation of more or less butyric
acid. It is one of the many forms of fermentation that
collectively constitute putrefaction. See {Lactic
fermentation}.

enzymatic fermentation or {Fermentation by an unorganized
ferment}. Fermentations of this class are purely chemical
reactions, in which the enzyme acts as a simple catalytic
agent. Of this nature are the decomposition or inversion
of cane sugar into levulose and dextrose by boiling with
dilute acids, the conversion of starch into dextrin and
sugar by similar treatment, the conversion of starch into
like products by the action of diastase of malt or ptyalin
of saliva, the conversion of albuminous food into peptones
and other like products by the action of
pepsin-hydrochloric acid of the gastric juice or by the
ferment of the pancreatic juice.

Fermentation theory of disease (Biol. & Med.), the theory
that most if not all, infectious or zymotic disease are
caused by the introduction into the organism of the living
germs of ferments, or ferments already developed
(organized ferments), by which processes of fermentation
are set up injurious to health. See Germ theory.

Glycerin fermentation, the fermentation which occurs on
mixing a dilute solution of glycerin with a peculiar
species of schizomycetes and some carbonate of lime, and
other matter favorable to the growth of the plant, the
glycerin being changed into butyric acid, caproic acid,
butyl, and ethyl alcohol. With another form of bacterium
(Bacillus subtilis) ethyl alcohol and butyric acid are
mainly formed.

Lactic fermentation, the transformation of milk sugar or
other saccharine body into lactic acid, as in the souring
of milk, through the agency of a special bacterium
(Bacterium lactis of Lister). In this change the milk
sugar, before assuming the form of lactic acid, presumably
passes through the stage of glucose. C12H22O11.H2O -->
4C3H6O3

Note: Hydrated milk sugar. Lactic acid.
[1913 Webster]

Note: In the lactic fermentation of dextrose or glucose, the
lactic acid which is formed is very prone to undergo
butyric fermentation after the manner indicated in the
following equation: 2C3H6O3 (lactic acid) --> C4H8O2
(butyric acid) + 2CO2 (carbonic acid) + 2H2 (hydrogen
gas).

Putrefactive fermentation. See Putrefaction.
[1913 Webster]
ordinary lactic acid
(gcide)
Lactic \Lac"tic\, a. [L. lac, lactis, milk: cf. F. lactique. See
Lacteal, and cf. Galactic.] (Physiol. Chem.)
Of or pertaining to milk; procured from sour milk or whey;
as, lactic acid; lactic fermentation, etc.
[1913 Webster]

Lactic acid (Physiol. Chem.), a sirupy, colorless fluid,
soluble in water, with an intensely sour taste and strong
acid reaction. There is one center of optical activity,
and this results in the observation of three isomeric
modifications all having the formula C3H6O3; one is
dextrorotatory (L-lactic acid), the other levorotatory
(D-lactic acid), and the third an optically inactive
mixture of the first two (DL-lactic acid); chemically it
is 2-hydroxypropanoic acid. Sarcolactic acid or
paralactic acid occurs chiefly in dead muscle tissue,
while ordinary lactic acid (DL-lactic acid) results from
fermentation, such as the fermentation of milk by lactic
acid bacteria. The two acids are alike in having the same
constitution (expressed by the name {ethylidene lactic
acid}), but the latter is optically inactive, while
sarcolactic acid rotates the plane of polarization to the
right. The third acid, ethylene lactic acid, accompanies
sarcolactic acid in the juice of flesh, and is optically
inactive.

Lactic ferment, an organized ferment (Bacterium lacticum
or Bacterium lactis), which produces lactic
fermentation, decomposing the sugar of milk into carbonic
and lactic acids, the latter, of which renders the milk
sour, and precipitates the casein, thus giving rise to the
so-called spontaneous coagulation of milk.

Lactic fermentation. See under Fermentation.
[1913 Webster +PJC]
Paralactic
(gcide)
Paralactic \Par`a*lac"tic\, a. [Pref. para- + lactic.] (Physiol.
Chem.)
Designating an acid called paralactic acid. See {Lactic
acid}, under Lactic.
[1913 Webster]
paralactic acid
(gcide)
Lactic \Lac"tic\, a. [L. lac, lactis, milk: cf. F. lactique. See
Lacteal, and cf. Galactic.] (Physiol. Chem.)
Of or pertaining to milk; procured from sour milk or whey;
as, lactic acid; lactic fermentation, etc.
[1913 Webster]

Lactic acid (Physiol. Chem.), a sirupy, colorless fluid,
soluble in water, with an intensely sour taste and strong
acid reaction. There is one center of optical activity,
and this results in the observation of three isomeric
modifications all having the formula C3H6O3; one is
dextrorotatory (L-lactic acid), the other levorotatory
(D-lactic acid), and the third an optically inactive
mixture of the first two (DL-lactic acid); chemically it
is 2-hydroxypropanoic acid. Sarcolactic acid or
paralactic acid occurs chiefly in dead muscle tissue,
while ordinary lactic acid (DL-lactic acid) results from
fermentation, such as the fermentation of milk by lactic
acid bacteria. The two acids are alike in having the same
constitution (expressed by the name {ethylidene lactic
acid}), but the latter is optically inactive, while
sarcolactic acid rotates the plane of polarization to the
right. The third acid, ethylene lactic acid, accompanies
sarcolactic acid in the juice of flesh, and is optically
inactive.

Lactic ferment, an organized ferment (Bacterium lacticum
or Bacterium lactis), which produces lactic
fermentation, decomposing the sugar of milk into carbonic
and lactic acids, the latter, of which renders the milk
sour, and precipitates the casein, thus giving rise to the
so-called spontaneous coagulation of milk.

Lactic fermentation. See under Fermentation.
[1913 Webster +PJC]
Parallactic
(gcide)
Parallactic \Par`al*lac"tic\, Parallactical \Par`al*lac"tic*al\,
a. [Cf. F. parallactique.]
Of or pertaining to a parallax.
[1913 Webster]
Parallactical
(gcide)
Parallactic \Par`al*lac"tic\, Parallactical \Par`al*lac"tic*al\,
a. [Cf. F. parallactique.]
Of or pertaining to a parallax.
[1913 Webster]
Prophylactic
(gcide)
Prophylactic \Proph`y*lac"tic\, n. [Cf. F. prophylactique.]
(Med.)
A medicine which preserves or defends against disease; a
preventive.
[1913 Webster] ProphylacticProphylactic \Proph`y*lac"tic\, Prophylactical
\Proph`y*lac"tic*al\, a. [Gr. ?, fr. ? to guard against; ?
before + ? to guard: cf. F. prophylactique.] (Med.)
Defending or preserving from disease; preventive. --Coxe.
[1913 Webster]
Prophylactical
(gcide)
Prophylactic \Proph`y*lac"tic\, Prophylactical
\Proph`y*lac"tic*al\, a. [Gr. ?, fr. ? to guard against; ?
before + ? to guard: cf. F. prophylactique.] (Med.)
Defending or preserving from disease; preventive. --Coxe.
[1913 Webster]
Saccholactic
(gcide)
Saccholactic \Sac`cho*lac"tic\, a. [L. saccharon sugar + lac,
lactis, milk.] (Chem.)
Of, pertaining to, or designating, an acid now called mucic
acid; saccholic. [Obs.]
[1913 Webster]
Sarcolactic
(gcide)
Sarcolactic \Sar`co*lac"tic\, a. [Sarco- + lactic.] (Physiol.
Chem.)
Relating to muscle and milk; as, sarcolactic acid. See
Lactic acid, under Lactic.
[1913 Webster]
Sarcolactic acid
(gcide)
Lactic \Lac"tic\, a. [L. lac, lactis, milk: cf. F. lactique. See
Lacteal, and cf. Galactic.] (Physiol. Chem.)
Of or pertaining to milk; procured from sour milk or whey;
as, lactic acid; lactic fermentation, etc.
[1913 Webster]

Lactic acid (Physiol. Chem.), a sirupy, colorless fluid,
soluble in water, with an intensely sour taste and strong
acid reaction. There is one center of optical activity,
and this results in the observation of three isomeric
modifications all having the formula C3H6O3; one is
dextrorotatory (L-lactic acid), the other levorotatory
(D-lactic acid), and the third an optically inactive
mixture of the first two (DL-lactic acid); chemically it
is 2-hydroxypropanoic acid. Sarcolactic acid or
paralactic acid occurs chiefly in dead muscle tissue,
while ordinary lactic acid (DL-lactic acid) results from
fermentation, such as the fermentation of milk by lactic
acid bacteria. The two acids are alike in having the same
constitution (expressed by the name {ethylidene lactic
acid}), but the latter is optically inactive, while
sarcolactic acid rotates the plane of polarization to the
right. The third acid, ethylene lactic acid, accompanies
sarcolactic acid in the juice of flesh, and is optically
inactive.

Lactic ferment, an organized ferment (Bacterium lacticum
or Bacterium lactis), which produces lactic
fermentation, decomposing the sugar of milk into carbonic
and lactic acids, the latter, of which renders the milk
sour, and precipitates the casein, thus giving rise to the
so-called spontaneous coagulation of milk.

Lactic fermentation. See under Fermentation.
[1913 Webster +PJC]
Stalactic
(gcide)
Stalactic \Sta*lac"tic\ (st[.a]*l[a^]k"t[i^]k), Stalactical
\Sta*lac"tic*al\ (-t[i^]"kal), a. (Geol.)
Stalactitic.
[1913 Webster]
Stalactical
(gcide)
Stalactic \Sta*lac"tic\ (st[.a]*l[a^]k"t[i^]k), Stalactical
\Sta*lac"tic*al\ (-t[i^]"kal), a. (Geol.)
Stalactitic.
[1913 Webster]
anaphylactic
(wn)
anaphylactic
adj 1: related to the hypersensitivity known as anaphylaxis;
"anaphylactic shock"
anaphylactic shock
(wn)
anaphylactic shock
n 1: a severe and rapid and sometimes fatal hypersensitivity
reaction to a substance (especially a vaccine or penicillin
or shellfish or insect venom) to which the organism has
become sensitized by previous exposure
extragalactic
(wn)
extragalactic
adj 1: outside or beyond a galaxy; "extragalactic nebula"
extragalactic nebula
(wn)
extragalactic nebula
n 1: (astronomy) a collection of star systems; any of the
billions of systems each having many stars and nebulae and
dust; "`extragalactic nebula' is a former name for
`galaxy'" [syn: galaxy, extragalactic nebula]
galactic
(wn)
galactic
adj 1: of or relating to a galaxy (especially our galaxy the
Milky Way); "the galactic plane"
2: inconceivably large [syn: astronomic, astronomical,
galactic]
intergalactic
(wn)
intergalactic
adj 1: between or among galaxies; "intergalactic space"
intergalactic space
(wn)
intergalactic space
n 1: the space between galaxies; "the Milky Way travels through
intergalactic space"
lactic acid
(wn)
lactic acid
n 1: a clear odorless hygroscopic syrupy carboxylic acid found
in sour milk and in many fruits
prophylactic
(wn)
prophylactic
adj 1: capable of preventing conception or impregnation;
"contraceptive devices and medications" [syn:
contraceptive, prophylactic, antifertility]
2: warding off; "the swastika...a very ancient prophylactic
symbol occurring among all peoples"- Victor Schultze [syn:
cautionary, prophylactic]
3: preventing or contributing to the prevention of disease;
"preventive medicine"; "vaccines are prophylactic"; "a
prophylactic drug" [syn: preventive, preventative,
prophylactic]
n 1: remedy that prevents or slows the course of an illness or
disease; "the doctor recommended several preventatives"
[syn: preventive, preventative, prophylactic]
2: contraceptive device consisting of a sheath of thin rubber or
latex that is worn over the penis during intercourse [syn:
condom, rubber, safety, safe, prophylactic]
prophylactic device
(wn)
prophylactic device
n 1: an agent or device intended to prevent conception [syn:
contraceptive, preventive, preventative,
contraceptive device, prophylactic device, {birth
control device}]

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