| slovo | definícia |
reaction
(encz) | reaction,odezva n: Michal Ambrož |
reaction
(encz) | reaction,odpověď n: Michal Ambrož |
reaction
(encz) | reaction,reakce n: Michal Ambrož |
reaction
(encz) | reaction,zpětné působení n: RNDr. Pavel Piskač |
Reaction
(gcide) | Reaction \Re*ac"tion\ (r[-e]*[a^]k"sh[u^]n), n. [Cf. F.
r['e]action.]
1. Any action in resisting other action or force; counter
tendency; movement in a contrary direction; reverse
action.
[1913 Webster]
2. (Chem.) The mutual or reciprocal action of chemical agents
upon each other, or the action upon such chemical agents
of some form of energy, as heat, light, or electricity,
resulting in a chemical change in one or more of these
agents, with the production of new compounds or the
manifestation of distinctive characters. See {Blowpipe
reaction}, Flame reaction, under Blowpipe, and
Flame.
[1913 Webster]
3. (Med.) An action induced by vital resistance to some other
action; depression or exhaustion of vital force consequent
on overexertion or overstimulation; heightened activity
and overaction succeeding depression or shock.
[1913 Webster]
4. (Mech.) The force which a body subjected to the action of
a force from another body exerts upon the latter body in
the opposite direction.
[1913 Webster]
Reaction is always equal and opposite to action,
that is to say, the actions of two bodies upon each
other are always equal and in opposite directions.
--Sir I.
Newton (3d Law
of Motion).
[1913 Webster]
5. (Politics) Backward tendency or movement after revolution,
reform, or great progress in any direction.
[1913 Webster]
The new king had, at the very moment at which his
fame and fortune reached the highest point,
predicted the coming reaction. --Macaulay.
[1913 Webster]
6. (Psycophysics) A regular or characteristic response to a
stimulation of the nerves.
[Webster 1913 Suppl.]
7. An action by a person or people in response to an event.
The reaction may be primarily mental (" a reaction of
surprise") but is usually manifested by some activity.
[PJC]
Reaction time (Physiol.), in nerve physiology, the interval
between the application of a stimulus to an end organ of
sense and the reaction or resulting movement; -- called
also physiological time.
Reaction wheel (Mech.), a water wheel driven by the
reaction of water, usually one in which the water,
entering it centrally, escapes at its periphery in a
direction opposed to that of its motion by orifices at
right angles, or inclined, to its radii.
[1913 Webster] |
reaction
(wn) | reaction
n 1: (chemistry) a process in which one or more substances are
changed into others; "there was a chemical reaction of the
lime with the ground water" [syn: chemical reaction,
reaction]
2: an idea evoked by some experience; "his reaction to the news
was to start planning what to do"
3: a bodily process occurring due to the effect of some
antecedent stimulus or agent; "a bad reaction to the
medicine"; "his responses have slowed with age" [syn:
reaction, response]
4: (mechanics) the equal and opposite force that is produced
when any force is applied to a body; "every action has an
equal and opposite reaction"
5: a response that reveals a person's feelings or attitude; "he
was pleased by the audience's reaction to his performance";
"John feared his mother's reaction when she saw the broken
lamp"
6: extreme conservatism in political or social matters; "the
forces of reaction carried the election"
7: doing something in opposition to another way of doing it that
you don't like; "his style of painting was a reaction against
cubism" |
| | podobné slovo | definícia |
abreaction
(encz) | abreaction,odreagování n: Zdeněk Brož |
alkaline reaction
(encz) | alkaline reaction,reakce alkalická |
chain reaction
(encz) | chain reaction,řetězová reakce Mgr. Dita Gálová |
chemical reaction
(encz) | chemical reaction, n: |
conditional reaction
(encz) | conditional reaction, n: |
conditioned reaction
(encz) | conditioned reaction, n: |
conversion reaction
(encz) | conversion reaction, n: |
decomposition reaction
(encz) | decomposition reaction, n: |
defence reaction
(encz) | defence reaction, n: |
defense reaction
(encz) | defense reaction, n: |
defensive host reaction
(encz) | defensive host reaction,obranná reakce hostitele [eko.] RNDr. Pavel
Piskač |
displacement reaction
(encz) | displacement reaction, n: |
double decomposition reaction
(encz) | double decomposition reaction, n: |
double replacement reaction
(encz) | double replacement reaction, n: |
elimination reaction
(encz) | elimination reaction, n: |
endoergic reaction
(encz) | endoergic reaction, n: |
endothermic reaction
(encz) | endothermic reaction, n: |
exoergic reaction
(encz) | exoergic reaction, n: |
exothermic reaction
(encz) | exothermic reaction, n: |
hypersensitivity reaction
(encz) | hypersensitivity reaction, n: |
immune reaction
(encz) | immune reaction, n: |
insulin reaction
(encz) | insulin reaction, n: |
law of action and reaction
(encz) | law of action and reaction, n: |
learned reaction
(encz) | learned reaction, n: |
light reaction
(encz) | light reaction, n: |
neutralisation reaction
(encz) | neutralisation reaction, n: |
neutralization reaction
(encz) | neutralization reaction, n: |
nuclear fusion reaction
(encz) | nuclear fusion reaction, n: |
nuclear reaction
(encz) | nuclear reaction,jaderná reakce nuclear reaction,nukleární reakce |
overreaction
(encz) | overreaction,přehnaná reakce web |
photochemical reaction
(encz) | photochemical reaction,fotochemická reakce [chem.] RNDr. Pavel Piskač |
physiological reaction
(encz) | physiological reaction, n: |
protective reaction of plants
(encz) | protective reaction of plants,ochranná reakce rostlin [eko.] RNDr.
Pavel Piskač |
quellung reaction
(encz) | quellung reaction, n: |
reaction
(encz) | reaction,odezva n: Michal Ambrožreaction,odpověď n: Michal Ambrožreaction,reakce n: Michal Ambrožreaction,zpětné působení n: RNDr. Pavel Piskač |
reaction engine
(encz) | reaction engine, n: |
reaction formation
(encz) | reaction formation, n: |
reaction propulsion
(encz) | reaction propulsion, n: |
reaction reservoir
(encz) | reaction reservoir,reakční nádrž [eko.] RNDr. Pavel Piskač |
reaction time
(encz) | reaction time, n: |
reaction turbine
(encz) | reaction turbine, n: |
reaction-propulsion engine
(encz) | reaction-propulsion engine, n: |
reactionaries
(encz) | reactionaries,reakcionáři n: Zdeněk Brož |
reactionary
(encz) | reactionary,reakcionář Zdeněk Brožreactionary,reakcionářský adj: Zdeněk Brožreactionary,reakční adj: Zdeněk Brožreactionary,zpátečník n: Zdeněk Brož |
reactionism
(encz) | reactionism, n: |
reactionist
(encz) | reactionist, adj: |
reactions
(encz) | reactions,reakce n: pl. IvČa |
startle reaction
(encz) | startle reaction, n: |
thermonuclear reaction
(encz) | thermonuclear reaction, n: |
transfusion reaction
(encz) | transfusion reaction, n: |
type i allergic reaction
(encz) | type I allergic reaction, n: |
type iv allergic reaction
(encz) | type IV allergic reaction, n: |
Abreaction
(gcide) | Abreaction \Ab`re*ac"tion\, n. [Pref. ab- + reaction, after G.
Abreagirung.] (Psychotherapy)
the purging of emotional tensions. See Catharsis, below.
Syn: catharsis, katharsis
[Webster 1913 Suppl. WordNet 1.5] |
Alkaline reaction
(gcide) | Alkaline \Al"ka*line\ (?; 277), a. [Cf. F. alcalin.]
Of or pertaining to an alkali or to alkalies; having the
properties of an alkali.
[1913 Webster]
Alkaline earths, certain substances, as lime, baryta,
strontia, and magnesia, possessing some of the qualities
of alkalies.
Alkaline metals, potassium, sodium, c[ae]sium, lithium,
rubidium.
Alkaline reaction, a reaction indicating alkalinity, as by
the action on limits, turmeric, etc.
[1913 Webster] |
Blowpipe reaction
(gcide) | Blowpipe \Blow"pipe`\, n.
1. A tube for directing a jet of air into a fire or into the
flame of a lamp or candle, so as to concentrate the heat
on some object.
[1913 Webster]
Note: It is called a mouth blowpipe when used with the mouth;
but for both chemical and industrial purposes, it is
often worked by a bellows or other contrivance. The
common mouth blowpipe is a tapering tube with a very
small orifice at the end to be inserted in the flame.
The oxyhydrogen blowpipe, invented by Dr. Hare in
1801, is an instrument in which oxygen and hydrogen,
taken from separate reservoirs, in the proportions of
two volumes of hydrogen to one of oxygen, are burned in
a jet, under pressure. It gives a heat that will
consume the diamond, fuse platinum, and dissipate in
vapor, or in gaseous forms, most known substances.
[1913 Webster]
2. A blowgun; a blowtube.
[1913 Webster]
Blowpipe analysis (Chem.), analysis by means of the
blowpipe.
Blowpipe reaction (Chem.), the characteristic behavior of a
substance subjected to a test by means of the blowpipe.
[1913 Webster] |
Diazo reactions
(gcide) | Diazo- \Di*az"o-\ [Pref. di- + azo-] (Chem.)
A combining form (also used adjectively), meaning pertaining
to, or derived from, a series of compounds containing a
radical of two nitrogen atoms, united usually to an aromatic
radical; as, diazo-benzene, C6H5.N2.OH.
[1913 Webster]
Note: Diazo compounds are in general unstable, but are of
great importance in recent organic chemistry. They are
obtained by a partial reduction of the salts of certain
amido compounds.
[1913 Webster]
Diazo reactions (Chem.), a series of reactions whereby
diazo compounds are employed in substitution. These
reactions are of great importance in organic chemistry.
[1913 Webster] |
Flame reaction
(gcide) | Flame \Flame\ (fl[=a]m), n. [OE. flame, flaume, flaumbe, OF.
flame, flambe, F. flamme, fr. L. flamma, fr. flamma, fr.
flagrare to burn. See Flagrant, and cf. Flamneau,
Flamingo.]
1. A stream of burning vapor or gas, emitting light and heat;
darting or streaming fire; a blaze; a fire.
[1913 Webster]
2. Burning zeal or passion; elevated and noble enthusiasm;
glowing imagination; passionate excitement or anger. "In a
flame of zeal severe." --Milton.
[1913 Webster]
Where flames refin'd in breasts seraphic glow.
--Pope.
[1913 Webster]
Smit with the love of sister arts we came,
And met congenial, mingling flame with flame.
--Pope.
[1913 Webster]
3. Ardor of affection; the passion of love. --Coleridge.
[1913 Webster]
4. A person beloved; a sweetheart. --Thackeray.
Syn: Blaze; brightness; ardor. See Blaze.
[1913 Webster]
Flame bridge, a bridge wall. See Bridge, n., 5.
Flame color, brilliant orange or yellow. --B. Jonson.
Flame engine, an early name for the gas engine.
Flame manometer, an instrument, invented by Koenig, to
obtain graphic representation of the action of the human
vocal organs. See Manometer.
Flame reaction (Chem.), a method of testing for the
presence of certain elements by the characteristic color
imparted to a flame; as, sodium colors a flame yellow,
potassium violet, lithium crimson, boracic acid green,
etc. Cf. Spectrum analysis, under Spectrum.
Flame tree (Bot.), a tree with showy scarlet flowers, as
the Rhododendron arboreum in India, and the
Brachychiton acerifolium of Australia.
[1913 Webster] |
Knee jerk reaction
(gcide) | Knee jerk reaction \Knee jerk reaction\
an immediate unthinking emotional reaction produced by an
event or statement to which the reacting person is highly
sensitive; -- in persons with strong feelings on a topic, it
may be very predictable.
[PJC] |
nuclear fusion reaction
(gcide) | nuclear fusion reaction \nuclear fusion reaction\ n.
A nuclear reaction in which nuclei combine to form more
massive nuclei with the simultaneous release of energy.
Syn: fusion, nuclear fusion.
[WordNet 1.5] |
nuclear reaction
(gcide) | nuclear reaction \nuclear reaction\ n.
A process that alters the energy or structure or composition
of an atomic nucleus.
[WordNet 1.5] |
Preaction
(gcide) | Preaction \Pre*ac"tion\, n.
Previous action.
[1913 Webster] |
Reaction time
(gcide) | Reaction \Re*ac"tion\ (r[-e]*[a^]k"sh[u^]n), n. [Cf. F.
r['e]action.]
1. Any action in resisting other action or force; counter
tendency; movement in a contrary direction; reverse
action.
[1913 Webster]
2. (Chem.) The mutual or reciprocal action of chemical agents
upon each other, or the action upon such chemical agents
of some form of energy, as heat, light, or electricity,
resulting in a chemical change in one or more of these
agents, with the production of new compounds or the
manifestation of distinctive characters. See {Blowpipe
reaction}, Flame reaction, under Blowpipe, and
Flame.
[1913 Webster]
3. (Med.) An action induced by vital resistance to some other
action; depression or exhaustion of vital force consequent
on overexertion or overstimulation; heightened activity
and overaction succeeding depression or shock.
[1913 Webster]
4. (Mech.) The force which a body subjected to the action of
a force from another body exerts upon the latter body in
the opposite direction.
[1913 Webster]
Reaction is always equal and opposite to action,
that is to say, the actions of two bodies upon each
other are always equal and in opposite directions.
--Sir I.
Newton (3d Law
of Motion).
[1913 Webster]
5. (Politics) Backward tendency or movement after revolution,
reform, or great progress in any direction.
[1913 Webster]
The new king had, at the very moment at which his
fame and fortune reached the highest point,
predicted the coming reaction. --Macaulay.
[1913 Webster]
6. (Psycophysics) A regular or characteristic response to a
stimulation of the nerves.
[Webster 1913 Suppl.]
7. An action by a person or people in response to an event.
The reaction may be primarily mental (" a reaction of
surprise") but is usually manifested by some activity.
[PJC]
Reaction time (Physiol.), in nerve physiology, the interval
between the application of a stimulus to an end organ of
sense and the reaction or resulting movement; -- called
also physiological time.
Reaction wheel (Mech.), a water wheel driven by the
reaction of water, usually one in which the water,
entering it centrally, escapes at its periphery in a
direction opposed to that of its motion by orifices at
right angles, or inclined, to its radii.
[1913 Webster] |
Reaction wheel
(gcide) | Reaction \Re*ac"tion\ (r[-e]*[a^]k"sh[u^]n), n. [Cf. F.
r['e]action.]
1. Any action in resisting other action or force; counter
tendency; movement in a contrary direction; reverse
action.
[1913 Webster]
2. (Chem.) The mutual or reciprocal action of chemical agents
upon each other, or the action upon such chemical agents
of some form of energy, as heat, light, or electricity,
resulting in a chemical change in one or more of these
agents, with the production of new compounds or the
manifestation of distinctive characters. See {Blowpipe
reaction}, Flame reaction, under Blowpipe, and
Flame.
[1913 Webster]
3. (Med.) An action induced by vital resistance to some other
action; depression or exhaustion of vital force consequent
on overexertion or overstimulation; heightened activity
and overaction succeeding depression or shock.
[1913 Webster]
4. (Mech.) The force which a body subjected to the action of
a force from another body exerts upon the latter body in
the opposite direction.
[1913 Webster]
Reaction is always equal and opposite to action,
that is to say, the actions of two bodies upon each
other are always equal and in opposite directions.
--Sir I.
Newton (3d Law
of Motion).
[1913 Webster]
5. (Politics) Backward tendency or movement after revolution,
reform, or great progress in any direction.
[1913 Webster]
The new king had, at the very moment at which his
fame and fortune reached the highest point,
predicted the coming reaction. --Macaulay.
[1913 Webster]
6. (Psycophysics) A regular or characteristic response to a
stimulation of the nerves.
[Webster 1913 Suppl.]
7. An action by a person or people in response to an event.
The reaction may be primarily mental (" a reaction of
surprise") but is usually manifested by some activity.
[PJC]
Reaction time (Physiol.), in nerve physiology, the interval
between the application of a stimulus to an end organ of
sense and the reaction or resulting movement; -- called
also physiological time.
Reaction wheel (Mech.), a water wheel driven by the
reaction of water, usually one in which the water,
entering it centrally, escapes at its periphery in a
direction opposed to that of its motion by orifices at
right angles, or inclined, to its radii.
[1913 Webster]Water wheel \Wa"ter wheel`\
1. Any wheel for propelling machinery or for other purposes,
that is made to rotate by the direct action of water; --
called an overshot wheel when the water is applied at
the top, an undershot wheel when at the bottom, a
breast wheel when at an intermediate point; other forms
are called reaction wheel, vortex wheel, {turbine
wheel}, etc.
[1913 Webster]
2. The paddle wheel of a steam vessel.
[1913 Webster]
3. A wheel for raising water; a noria, or the like.
[1913 Webster] |
reaction wheel
(gcide) | Reaction \Re*ac"tion\ (r[-e]*[a^]k"sh[u^]n), n. [Cf. F.
r['e]action.]
1. Any action in resisting other action or force; counter
tendency; movement in a contrary direction; reverse
action.
[1913 Webster]
2. (Chem.) The mutual or reciprocal action of chemical agents
upon each other, or the action upon such chemical agents
of some form of energy, as heat, light, or electricity,
resulting in a chemical change in one or more of these
agents, with the production of new compounds or the
manifestation of distinctive characters. See {Blowpipe
reaction}, Flame reaction, under Blowpipe, and
Flame.
[1913 Webster]
3. (Med.) An action induced by vital resistance to some other
action; depression or exhaustion of vital force consequent
on overexertion or overstimulation; heightened activity
and overaction succeeding depression or shock.
[1913 Webster]
4. (Mech.) The force which a body subjected to the action of
a force from another body exerts upon the latter body in
the opposite direction.
[1913 Webster]
Reaction is always equal and opposite to action,
that is to say, the actions of two bodies upon each
other are always equal and in opposite directions.
--Sir I.
Newton (3d Law
of Motion).
[1913 Webster]
5. (Politics) Backward tendency or movement after revolution,
reform, or great progress in any direction.
[1913 Webster]
The new king had, at the very moment at which his
fame and fortune reached the highest point,
predicted the coming reaction. --Macaulay.
[1913 Webster]
6. (Psycophysics) A regular or characteristic response to a
stimulation of the nerves.
[Webster 1913 Suppl.]
7. An action by a person or people in response to an event.
The reaction may be primarily mental (" a reaction of
surprise") but is usually manifested by some activity.
[PJC]
Reaction time (Physiol.), in nerve physiology, the interval
between the application of a stimulus to an end organ of
sense and the reaction or resulting movement; -- called
also physiological time.
Reaction wheel (Mech.), a water wheel driven by the
reaction of water, usually one in which the water,
entering it centrally, escapes at its periphery in a
direction opposed to that of its motion by orifices at
right angles, or inclined, to its radii.
[1913 Webster]Water wheel \Wa"ter wheel`\
1. Any wheel for propelling machinery or for other purposes,
that is made to rotate by the direct action of water; --
called an overshot wheel when the water is applied at
the top, an undershot wheel when at the bottom, a
breast wheel when at an intermediate point; other forms
are called reaction wheel, vortex wheel, {turbine
wheel}, etc.
[1913 Webster]
2. The paddle wheel of a steam vessel.
[1913 Webster]
3. A wheel for raising water; a noria, or the like.
[1913 Webster] |
Reactionaries
(gcide) | Reactionary \Re*ac"tion*a*ry\, n.; pl. Reactionaries
(-r[i^]z).
One who favors reaction, or seeks to undo political progress
or revolution.
[1913 Webster] |
Reactionary
(gcide) | Reactionary \Re*ac"tion*a*ry\ (-[asl]*r[y^]), a.
Being, causing, or favoring reaction; as, reactionary
movements.
[1913 Webster]Reactionary \Re*ac"tion*a*ry\, n.; pl. Reactionaries
(-r[i^]z).
One who favors reaction, or seeks to undo political progress
or revolution.
[1913 Webster] |
Reactionist
(gcide) | Reactionist \Re*ac"tion*ist\, n.
A reactionary. --C. Kingsley.
[1913 Webster] |
Widal reaction
(gcide) | Widal's test \Wi*dal's" test\, or Widal test \Wi*dal" test\ or
Widal reaction \Wi*dal" reaction\ . [After Fernand Widal (b.
1862), French physician.] (Med.)
A test for typhoid fever based on the fact that blood serum
of one affected, in a bouillon culture of typhoid bacilli,
causes the bacilli to agglutinate and lose their motility.
[Webster 1913 Suppl.] |
abreaction
(wn) | abreaction
n 1: (psychoanalysis) purging of emotional tensions [syn:
catharsis, katharsis, abreaction] |
addition reaction
(wn) | addition reaction
n 1: a chemical reaction in which one molecule is added to
another |
aldol reaction
(wn) | aldol reaction
n 1: a reaction of aldehydes resulting in an aldol |
|