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Webster’s Dictionary (1828)



109 words match “POLAR”

BIPOLARITY n.
Bipolar quality.
CIRCUMPOLAR a.
out the pole; -- applied to stars that revolve around the pole without setting; as, circumpolar stars.
DEPOLARIZATION n.
The act of depriving of polarity, or the result of such action; reduction to an unpolarized condition. Depolarization of light (Opt.), a change in the plane of polarization of rays, especially by a crystalline medium, such that the light which had been extinguished by the analyzer reappears as if the polarization had b…
DEPOLARIZE v. 2 definitions
To deprive of polarity; to reduce to an unpolarized condition.
DEPOLARIZER n.
A substance used to prevent polarization, as upon the negative plate of a voltaic battery.
DIPOLAR a.
Having two poles, as a magnetic bar.
ELECTRO-POLAR a.
Possessing electrical polarity; positively electrified at one end, or on one surface, and negatively at the other; -- said of a conductor.
IMPOLARILY; IMPOLARLY adv.
Not according to or in, the direction of the poles. [Obs.] Sir T. Browne.
MULTIPOLAR a.
Having many poles; -- applied especially to those ganglionic nerve cells which have several radiating processes.
SUBPOLAR a.
Situated below the poles.
TELEPOLARISCOPE n.
A polariscope arranged to be attached to a telescope. Lockyer.
UNIPOLAR a. 2 definitions
to those ganglionic nerve cells which have but one radiating process; -- opposed to multipolar. Unipolar induction (Elec.), induction, as in a conducting circuit, by only one pole of a magnet. -- Unipolar stimulation (Physiol.), the simulation sometimes produced when one electrode of an induction apparatus is applied…
ZINCO-POLAR a.
Electrically polarized like the surface of the zinc presented to the acid in a battery, which has zincous affinity. [Obs.]
ABELE n.
The white polar (Populus alba). Six abeles i' the churchyard grow. Mrs. Browning.
AMPHIGEAN a.
Extending over all the zones, from the tropics to the polar zones inclusive.
ANALYZER n.
The part of a polariscope which receives the light after polarization, and exhibits its properties.
APSIS n.
In a curve referred to polar coördinates, any point for which the radius vector is a maximum or minimum.
ASTATIC a.
osition or direction: thus, a suspended magnetic needle, when rendered astatic, loses its polarity, or tendency to point in a given direction. Astatic pair (Magnetism), a pair of magnetic needles so mounted as to be nearly or quite astatic, as in some galvanometers.
AXIS n.
center about which it vibrates, and perpendicular to the plane of vibration. -- Axis of polarization, the central line around which the prismatic rings or curves are arranged. Brewster. -- Axis of revolution (Descriptive Geom.), a straight line about which some line or plane is revolved, so that the several points o…
BIAXAL; BIAXIAL a.
Having two axes; as, biaxial polarization. Brewster. -- Bi*ax"i*al*ly, adv.
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