| slovo | definícia |
curvature
(encz) | curvature,zakřivení n: Zdeněk Brož |
Curvature
(gcide) | Curvature \Cur"va*ture\ (k?r"v?-t?r; 135), n. [L. curvatura. See
Curvate.]
1. The act of curving, or the state of being bent or curved;
a curving or bending, normal or abnormal, as of a line or
surface from a rectilinear direction; a bend; a curve.
--Cowper.
[1913 Webster]
The elegant curvature of their fronds. --Darwin.
[1913 Webster]
2. (Math.) The amount of degree of bending of a mathematical
curve, or the tendency at any point to depart from a
tangent drawn to the curve at that point.
[1913 Webster]
Aberrancy of curvature (Geom.), the deviation of a curve
from a circular form.
Absolute curvature. See under Absolute.
Angle of curvature (Geom.), one that expresses the amount
of curvature of a curve.
Chord of curvature. See under Chord.
Circle of curvature. See Osculating circle of a curve,
under Circle.
Curvature of the spine (Med.), an abnormal curving of the
spine, especially in a lateral direction.
Radius of curvature, the radius of the circle of curvature,
or osculatory circle, at any point of a curve.
[1913 Webster] |
curvature
(wn) | curvature
n 1: (medicine) a curving or bending; often abnormal; "curvature
of the spine"
2: the rate of change (at a point) of the angle between a curve
and a tangent to the curve
3: the property possessed by the curving of a line or surface
[syn: curvature, curve] |
| | podobné slovo | definícia |
center of curvature
(encz) | center of curvature, n: |
centre of curvature
(encz) | centre of curvature, n: |
circle of curvature
(encz) | circle of curvature, n: |
curvature
(encz) | curvature,zakřivení n: Zdeněk Brož |
incurvature
(encz) | incurvature, n: |
radius of curvature
(encz) | radius of curvature,poloměr zakřivení n: Michal Ambrož |
spinal curvature
(encz) | spinal curvature, n: |
Aberrancy of curvature
(gcide) | Curvature \Cur"va*ture\ (k?r"v?-t?r; 135), n. [L. curvatura. See
Curvate.]
1. The act of curving, or the state of being bent or curved;
a curving or bending, normal or abnormal, as of a line or
surface from a rectilinear direction; a bend; a curve.
--Cowper.
[1913 Webster]
The elegant curvature of their fronds. --Darwin.
[1913 Webster]
2. (Math.) The amount of degree of bending of a mathematical
curve, or the tendency at any point to depart from a
tangent drawn to the curve at that point.
[1913 Webster]
Aberrancy of curvature (Geom.), the deviation of a curve
from a circular form.
Absolute curvature. See under Absolute.
Angle of curvature (Geom.), one that expresses the amount
of curvature of a curve.
Chord of curvature. See under Chord.
Circle of curvature. See Osculating circle of a curve,
under Circle.
Curvature of the spine (Med.), an abnormal curving of the
spine, especially in a lateral direction.
Radius of curvature, the radius of the circle of curvature,
or osculatory circle, at any point of a curve.
[1913 Webster]Aberrance \Ab*er"rance\, Aberrancy \Ab*er"ran*cy\, n.
the state or condition of being aberrant; a wandering from
the right way; deviation from truth, rectitude, etc.
Syn: aberrance, aberration, deviance
[1913 Webster WordNet 1.5]
Aberrancy of curvature (Geom.), the deviation of a curve
from a circular form.
[1913 Webster] |
Absolute curvature
(gcide) | Curvature \Cur"va*ture\ (k?r"v?-t?r; 135), n. [L. curvatura. See
Curvate.]
1. The act of curving, or the state of being bent or curved;
a curving or bending, normal or abnormal, as of a line or
surface from a rectilinear direction; a bend; a curve.
--Cowper.
[1913 Webster]
The elegant curvature of their fronds. --Darwin.
[1913 Webster]
2. (Math.) The amount of degree of bending of a mathematical
curve, or the tendency at any point to depart from a
tangent drawn to the curve at that point.
[1913 Webster]
Aberrancy of curvature (Geom.), the deviation of a curve
from a circular form.
Absolute curvature. See under Absolute.
Angle of curvature (Geom.), one that expresses the amount
of curvature of a curve.
Chord of curvature. See under Chord.
Circle of curvature. See Osculating circle of a curve,
under Circle.
Curvature of the spine (Med.), an abnormal curving of the
spine, especially in a lateral direction.
Radius of curvature, the radius of the circle of curvature,
or osculatory circle, at any point of a curve.
[1913 Webster]Absolute \Ab"so*lute\, a. [L. absolutus, p. p. of absolvere: cf.
F. absolu. See Absolve.]
1. Loosed from any limitation or condition; uncontrolled;
unrestricted; unconditional; as, absolute authority,
monarchy, sovereignty, an absolute promise or command;
absolute power; an absolute monarch.
[1913 Webster]
2. Complete in itself; perfect; consummate; faultless; as,
absolute perfection; absolute beauty.
[1913 Webster]
So absolute she seems,
And in herself complete. --Milton.
[1913 Webster]
3. Viewed apart from modifying influences or without
comparison with other objects; actual; real; -- opposed to
relative and comparative; as, absolute motion;
absolute time or space.
[1913 Webster]
Note: Absolute rights and duties are such as pertain to man
in a state of nature as contradistinguished from
relative rights and duties, or such as pertain to him
in his social relations.
[1913 Webster]
4. Loosed from, or unconnected by, dependence on any other
being; self-existent; self-sufficing.
[1913 Webster]
Note: In this sense God is called the Absolute by the Theist.
The term is also applied by the Pantheist to the
universe, or the total of all existence, as only
capable of relations in its parts to each other and to
the whole, and as dependent for its existence and its
phenomena on its mutually depending forces and their
laws.
[1913 Webster]
5. Capable of being thought or conceived by itself alone;
unconditioned; non-relative.
[1913 Webster]
Note: It is in dispute among philosopher whether the term, in
this sense, is not applied to a mere logical fiction or
abstraction, or whether the absolute, as thus defined,
can be known, as a reality, by the human intellect.
[1913 Webster]
To Cusa we can indeed articulately trace, word
and thing, the recent philosophy of the absolute.
--Sir W.
Hamilton.
[1913 Webster]
6. Positive; clear; certain; not doubtful. [R.]
[1913 Webster]
I am absolute 't was very Cloten. --Shak.
[1913 Webster]
7. Authoritative; peremptory. [R.]
[1913 Webster]
The peddler stopped, and tapped her on the head,
With absolute forefinger, brown and ringed. --Mrs.
Browning.
[1913 Webster]
8. (Chem.) Pure; unmixed; as, absolute alcohol.
[1913 Webster]
9. (Gram.) Not immediately dependent on the other parts of
the sentence in government; as, the case absolute. See
Ablative absolute, under Ablative.
[1913 Webster]
Absolute curvature (Geom.), that curvature of a curve of
double curvature, which is measured in the osculating
plane of the curve.
Absolute equation (Astron.), the sum of the optic and
eccentric equations.
Absolute space (Physics), space considered without relation
to material limits or objects.
Absolute terms. (Alg.), such as are known, or which do not
contain the unknown quantity. --Davies & Peck.
Absolute temperature (Physics), the temperature as measured
on a scale determined by certain general thermo-dynamic
principles, and reckoned from the absolute zero.
Absolute zero (Physics), the be ginning, or zero point, in
the scale of absolute temperature. It is equivalent to
-273[deg] centigrade or -459.4[deg] Fahrenheit.
[1913 Webster]
Syn: Positive; peremptory; certain; unconditional; unlimited;
unrestricted; unqualified; arbitrary; despotic;
autocratic.
[1913 Webster] |
Angle of curvature
(gcide) | Curvature \Cur"va*ture\ (k?r"v?-t?r; 135), n. [L. curvatura. See
Curvate.]
1. The act of curving, or the state of being bent or curved;
a curving or bending, normal or abnormal, as of a line or
surface from a rectilinear direction; a bend; a curve.
--Cowper.
[1913 Webster]
The elegant curvature of their fronds. --Darwin.
[1913 Webster]
2. (Math.) The amount of degree of bending of a mathematical
curve, or the tendency at any point to depart from a
tangent drawn to the curve at that point.
[1913 Webster]
Aberrancy of curvature (Geom.), the deviation of a curve
from a circular form.
Absolute curvature. See under Absolute.
Angle of curvature (Geom.), one that expresses the amount
of curvature of a curve.
Chord of curvature. See under Chord.
Circle of curvature. See Osculating circle of a curve,
under Circle.
Curvature of the spine (Med.), an abnormal curving of the
spine, especially in a lateral direction.
Radius of curvature, the radius of the circle of curvature,
or osculatory circle, at any point of a curve.
[1913 Webster] |
Center of curvature of a curve
(gcide) | center \cen"ter\ (s[e^]n"t[~e]r), n. [F. centre, fr. L. centrum,
fr. Gr. ke`ntron any sharp point, the point round which a
circle is described, fr. kentei^n to prick, goad.]
1. A point equally distant from the extremities of a line,
figure, or body, or from all parts of the circumference of
a circle; the middle point or place.
[1913 Webster]
2. The middle or central portion of anything.
[1913 Webster]
3. A principal or important point of concentration; the
nucleus around which things are gathered or to which they
tend; an object of attention, action, or force; as, a
center of attaction.
[1913 Webster]
4. The earth. [Obs.] --Shak.
[1913 Webster]
5. Those members of a legislative assembly (as in France) who
support the existing government. They sit in the middle of
the legislative chamber, opposite the presiding officer,
between the conservatives or monarchists, who sit on the
right of the speaker, and the radicals or advanced
republicans who occupy the seats on his left, See Right,
and Left.
[1913 Webster]
6. (Arch.) A temporary structure upon which the materials of
a vault or arch are supported in position until the work
becomes self-supporting.
[1913 Webster]
7. (Mech.)
(a) One of the two conical steel pins, in a lathe, etc.,
upon which the work is held, and about which it
revolves.
(b) A conical recess, or indentation, in the end of a
shaft or other work, to receive the point of a center,
on which the work can turn, as in a lathe.
[1913 Webster]
Note: In a lathe the
live center is in the spindle of the head stock; the
dead center is on the tail stock.
Planer centers are stocks carrying centers, when the object
to be planed must be turned on its axis.
[1913 Webster]
Center of an army, the body or troops occupying the place
in the line between the wings.
Center of a curve or Center of a surface (Geom.)
(a) A point such that every line drawn through the point
and terminated by the curve or surface is bisected at
the point.
(b) The fixed point of reference in polar coordinates. See
Coordinates.
Center of curvature of a curve (Geom.), the center of that
circle which has at any given point of the curve closer
contact with the curve than has any other circle whatever.
See Circle.
Center of a fleet, the division or column between the van
and rear, or between the weather division and the lee.
Center of gravity (Mech.), that point of a body about which
all its parts can be balanced, or which being supported,
the whole body will remain at rest, though acted upon by
gravity.
Center of gyration (Mech.), that point in a rotating body
at which the whole mass might be concentrated
(theoretically) without altering the resistance of the
intertia of the body to angular acceleration or
retardation.
Center of inertia (Mech.), the center of gravity of a body
or system of bodies.
Center of motion, the point which remains at rest, while
all the other parts of a body move round it.
Center of oscillation, the point at which, if the whole
matter of a suspended body were collected, the time of
oscillation would be the same as it is in the actual form
and state of the body.
Center of percussion, that point in a body moving about a
fixed axis at which it may strike an obstacle without
communicating a shock to the axis.
Center of pressure (Hydros.), that point in a surface
pressed by a fluid, at which, if a force equal to the
whole pressure and in the same line be applied in a
contrary direction, it will balance or counteract the
whole pressure of the fluid.
[1913 Webster] Center |
Chord of curvature
(gcide) | Curvature \Cur"va*ture\ (k?r"v?-t?r; 135), n. [L. curvatura. See
Curvate.]
1. The act of curving, or the state of being bent or curved;
a curving or bending, normal or abnormal, as of a line or
surface from a rectilinear direction; a bend; a curve.
--Cowper.
[1913 Webster]
The elegant curvature of their fronds. --Darwin.
[1913 Webster]
2. (Math.) The amount of degree of bending of a mathematical
curve, or the tendency at any point to depart from a
tangent drawn to the curve at that point.
[1913 Webster]
Aberrancy of curvature (Geom.), the deviation of a curve
from a circular form.
Absolute curvature. See under Absolute.
Angle of curvature (Geom.), one that expresses the amount
of curvature of a curve.
Chord of curvature. See under Chord.
Circle of curvature. See Osculating circle of a curve,
under Circle.
Curvature of the spine (Med.), an abnormal curving of the
spine, especially in a lateral direction.
Radius of curvature, the radius of the circle of curvature,
or osculatory circle, at any point of a curve.
[1913 Webster]Chord \Chord\ (k[^o]rd), n. [L chorda a gut, a string made of a
gut, Gr. chordh`. In the sense of a string or small rope, in
general, it is written cord. See Cord.]
1. The string of a musical instrument. --Milton.
[1913 Webster]
2. (Mus.) A combination of tones simultaneously performed,
producing more or less perfect harmony, as, the common
chord.
[1913 Webster]
3. (Geom.) A right line uniting the extremities of the arc of
a circle or curve.
[1913 Webster]
4. (Anat.) A cord. See Cord, n., 4.
[1913 Webster]
5. (Engin.) The upper or lower part of a truss, usually
horizontal, resisting compression or tension. --Waddell.
[1913 Webster]
Accidental, Common, & Vocal chords. See under
Accidental, Common, and Vocal.
Chord of an arch. See Illust. of Arch.
Chord of curvature, a chord drawn from any point of a
curve, in the circle of curvature for that point.
Scale of chords. See Scale.
[1913 Webster] |
Circle of curvature
(gcide) | Curvature \Cur"va*ture\ (k?r"v?-t?r; 135), n. [L. curvatura. See
Curvate.]
1. The act of curving, or the state of being bent or curved;
a curving or bending, normal or abnormal, as of a line or
surface from a rectilinear direction; a bend; a curve.
--Cowper.
[1913 Webster]
The elegant curvature of their fronds. --Darwin.
[1913 Webster]
2. (Math.) The amount of degree of bending of a mathematical
curve, or the tendency at any point to depart from a
tangent drawn to the curve at that point.
[1913 Webster]
Aberrancy of curvature (Geom.), the deviation of a curve
from a circular form.
Absolute curvature. See under Absolute.
Angle of curvature (Geom.), one that expresses the amount
of curvature of a curve.
Chord of curvature. See under Chord.
Circle of curvature. See Osculating circle of a curve,
under Circle.
Curvature of the spine (Med.), an abnormal curving of the
spine, especially in a lateral direction.
Radius of curvature, the radius of the circle of curvature,
or osculatory circle, at any point of a curve.
[1913 Webster]Circle \Cir"cle\ (s[~e]r"k'l), n. [OE. cercle, F. cercle, fr. L.
circulus (Whence also AS. circul), dim. of circus circle,
akin to Gr. kri`kos, ki`rkos, circle, ring. Cf. Circus,
Circum-.]
[1913 Webster]
1. A plane figure, bounded by a single curve line called its
circumference, every part of which is equally distant from
a point within it, called the center.
[1913 Webster]
2. The line that bounds such a figure; a circumference; a
ring.
[1913 Webster]
3. (Astron.) An instrument of observation, the graduated limb
of which consists of an entire circle.
[1913 Webster]
Note: When it is fixed to a wall in an observatory, it is
called a mural circle; when mounted with a telescope
on an axis and in Y's, in the plane of the meridian, a
meridian circle or transit circle; when involving
the principle of reflection, like the sextant, a
reflecting circle; and when that of repeating an
angle several times continuously along the graduated
limb, a repeating circle.
[1913 Webster]
4. A round body; a sphere; an orb.
[1913 Webster]
It is he that sitteth upon the circle of the earth.
--Is. xi. 22.
[1913 Webster]
5. Compass; circuit; inclosure.
[1913 Webster]
In the circle of this forest. --Shak.
[1913 Webster]
6. A company assembled, or conceived to assemble, about a
central point of interest, or bound by a common tie; a
class or division of society; a coterie; a set.
[1913 Webster]
As his name gradually became known, the circle of
his acquaintance widened. --Macaulay.
[1913 Webster]
7. A circular group of persons; a ring.
[1913 Webster]
8. A series ending where it begins, and repeating itself.
[1913 Webster]
Thus in a circle runs the peasant's pain. --Dryden.
[1913 Webster]
9. (Logic) A form of argument in which two or more unproved
statements are used to prove each other; inconclusive
reasoning.
[1913 Webster]
That heavy bodies descend by gravity; and, again,
that gravity is a quality whereby a heavy body
descends, is an impertinent circle and teaches
nothing. --Glanvill.
[1913 Webster]
10. Indirect form of words; circumlocution. [R.]
[1913 Webster]
Has he given the lie,
In circle, or oblique, or semicircle. --J.
Fletcher.
[1913 Webster]
11. A territorial division or district.
[1913 Webster]
Note:
The Circles of the Holy Roman Empire, ten in number, were
those principalities or provinces which had seats in the
German Diet.
[1913 Webster]
Azimuth circle. See under Azimuth.
Circle of altitude (Astron.), a circle parallel to the
horizon, having its pole in the zenith; an almucantar.
Circle of curvature. See Osculating circle of a curve
(Below).
Circle of declination. See under Declination.
Circle of latitude.
(a) (Astron.) A great circle perpendicular to the plane
of the ecliptic, passing through its poles.
(b) (Spherical Projection) A small circle of the sphere
whose plane is perpendicular to the axis.
Circles of longitude, lesser circles parallel to the
ecliptic, diminishing as they recede from it.
Circle of perpetual apparition, at any given place, the
boundary of that space around the elevated pole, within
which the stars never set. Its distance from the pole is
equal to the latitude of the place.
Circle of perpetual occultation, at any given place, the
boundary of the space around the depressed pole, within
which the stars never rise.
Circle of the sphere, a circle upon the surface of the
sphere, called a great circle when its plane passes
through the center of the sphere; in all other cases, a
small circle.
Diurnal circle. See under Diurnal.
Dress circle, a gallery in a theater, generally the one
containing the prominent and more expensive seats.
Druidical circles (Eng. Antiq.), a popular name for certain
ancient inclosures formed by rude stones circularly
arranged, as at Stonehenge, near Salisbury.
Family circle, a gallery in a theater, usually one
containing inexpensive seats.
Horary circles (Dialing), the lines on dials which show the
hours.
Osculating circle of a curve (Geom.), the circle which
touches the curve at some point in the curve, and close to
the point more nearly coincides with the curve than any
other circle. This circle is used as a measure of the
curvature of the curve at the point, and hence is called
circle of curvature.
Pitch circle. See under Pitch.
Vertical circle, an azimuth circle.
Voltaic circuit or Voltaic circle. See under Circuit.
To square the circle. See under Square.
Syn: Ring; circlet; compass; circuit; inclosure.
[1913 Webster] |
Curvature of the spine
(gcide) | Curvature \Cur"va*ture\ (k?r"v?-t?r; 135), n. [L. curvatura. See
Curvate.]
1. The act of curving, or the state of being bent or curved;
a curving or bending, normal or abnormal, as of a line or
surface from a rectilinear direction; a bend; a curve.
--Cowper.
[1913 Webster]
The elegant curvature of their fronds. --Darwin.
[1913 Webster]
2. (Math.) The amount of degree of bending of a mathematical
curve, or the tendency at any point to depart from a
tangent drawn to the curve at that point.
[1913 Webster]
Aberrancy of curvature (Geom.), the deviation of a curve
from a circular form.
Absolute curvature. See under Absolute.
Angle of curvature (Geom.), one that expresses the amount
of curvature of a curve.
Chord of curvature. See under Chord.
Circle of curvature. See Osculating circle of a curve,
under Circle.
Curvature of the spine (Med.), an abnormal curving of the
spine, especially in a lateral direction.
Radius of curvature, the radius of the circle of curvature,
or osculatory circle, at any point of a curve.
[1913 Webster] |
Radius of curvature
(gcide) | Radius \Ra"di*us\ (r[=a]"d[i^]*[u^]s), n.; pl. L. Radii
(r[=a]"d[i^]*[imac]); E. Radiuses
(r[=a]"d[i^]*[u^]s*[e^]z). [L., a staff, rod, spoke of a
wheel, radius, ray. See Ray a divergent line.]
1. (Geom.) A right line drawn or extending from the center of
a circle to the periphery; the semidiameter of a circle or
sphere.
[1913 Webster]
2. (Anat.) The preaxial bone of the forearm, or brachium,
corresponding to the tibia of the hind limb. See Illust.
of Artiodactyla.
[1913 Webster]
Note: The radius is on the same side of the limb as the
thumb, or pollex, and in man it is so articulated that
its lower end is capable of partial rotation about the
ulna.
[1913 Webster]
3. (Bot.) A ray, or outer floret, of the capitulum of such
plants as the sunflower and the daisy. See Ray, 2.
[1913 Webster]
4. pl. (Zool.)
(a) The barbs of a perfect feather.
(b) Radiating organs, or color-markings, of the radiates.
[1913 Webster]
5. The movable limb of a sextant or other angular instrument.
--Knight.
[1913 Webster]
Radius bar (Mach.), a bar pivoted at one end, about which
it swings, and having its other end attached to a piece
which it causes to move in a circular arc.
Radius of curvature. See under Curvature.
[1913 Webster]Curvature \Cur"va*ture\ (k?r"v?-t?r; 135), n. [L. curvatura. See
Curvate.]
1. The act of curving, or the state of being bent or curved;
a curving or bending, normal or abnormal, as of a line or
surface from a rectilinear direction; a bend; a curve.
--Cowper.
[1913 Webster]
The elegant curvature of their fronds. --Darwin.
[1913 Webster]
2. (Math.) The amount of degree of bending of a mathematical
curve, or the tendency at any point to depart from a
tangent drawn to the curve at that point.
[1913 Webster]
Aberrancy of curvature (Geom.), the deviation of a curve
from a circular form.
Absolute curvature. See under Absolute.
Angle of curvature (Geom.), one that expresses the amount
of curvature of a curve.
Chord of curvature. See under Chord.
Circle of curvature. See Osculating circle of a curve,
under Circle.
Curvature of the spine (Med.), an abnormal curving of the
spine, especially in a lateral direction.
Radius of curvature, the radius of the circle of curvature,
or osculatory circle, at any point of a curve.
[1913 Webster] |
center of curvature
(wn) | center of curvature
n 1: the center of the circle of curvature [syn: {center of
curvature}, centre of curvature] |
centre of curvature
(wn) | centre of curvature
n 1: the center of the circle of curvature [syn: {center of
curvature}, centre of curvature] |
circle of curvature
(wn) | circle of curvature
n 1: the circle that touches a curve (on the concave side) and
whose radius is the radius of curvature [syn: {circle of
curvature}, osculating circle] |
curvature
(wn) | curvature
n 1: (medicine) a curving or bending; often abnormal; "curvature
of the spine"
2: the rate of change (at a point) of the angle between a curve
and a tangent to the curve
3: the property possessed by the curving of a line or surface
[syn: curvature, curve] |
incurvature
(wn) | incurvature
n 1: a shape that curves or bends inward [syn: concave shape,
concavity, incurvation, incurvature] |
radius of curvature
(wn) | radius of curvature
n 1: the radius of the circle of curvature; the absolute value
of the reciprocal of the curvature of a curve at a given
point |
spinal curvature
(wn) | spinal curvature
n 1: an abnormal curvature of the vertebral column |
|