English definition of Polar

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Definition of polar

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Polar (n.) The right line drawn through the two points of contact of the two tangents drawn from a given point to a given conic section. The given point is called the pole of the line. If the given point lies within the curve so that the two tangents become imaginary, there is still a real polar line which does not meet the curve, but which possesses other properties of the polar. Thus the focus and directrix are pole and polar. There are also poles and polar curves to curves of higher degree th

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Induction :: Induction (n.) The property by which one body, having electrical or magnetic polarity, causes or induces it in another body without direct contact; an impress of electrical or magnetic force or condition from one body on another without actual contact..

Polary :: Polary (a.) Tending to a pole; having a direction toward a pole.

Polar :: Polar (a.) Of or pertaining to the magnetic pole, or to the point to which the magnetic needle is directed..

Electro-polar :: Electro-polar (a.) Possessing electrical polarity; positively electrified at one end, or on one surface, and negatively at the other; -- said of a conductor..

Polarize :: Polarize (v. t.) To communicate polarity to.

Polarily :: Polarily (adv.) In a polary manner; with polarity.

Polarization :: Polarization (n.) The act of polarizing; the state of being polarized, or of having polarity..

Saccharimetry :: Saccharimetry (n.) The act, process or method of determining the amount and kind of sugar present in sirup, molasses, and the like, especially by the employment of polarizing apparatus..

Bipolar :: Bipolar (a.) Doubly polar; having two poles; as, a bipolar cell or corpuscle..

Ellipticity :: Ellipticity (n.) Deviation of an ellipse or a spheroid from the form of a circle or a sphere; especially, in reference to the figure of the earth, the difference between the equatorial and polar semidiameters, divided by the equatorial; thus, the ellipticity of the earth is /..

Impolarly :: Impolarly (adv.) Not according to or in, the direction of the poles..

Polestar :: Polestar (n.) Polaris, or the north star. See North star, under North..

Solenoid :: Solenoid (n.) An electrodynamic spiral having the conjuctive wire turned back along its axis, so as to neutralize that component of the effect of the current which is due to the length of the spiral, and reduce the whole effect to that of a series of equal and parallel circular currents. When traversed by a current the solenoid exhibits polarity and attraction or repulsion, like a magnet..

Pole :: Pole (n.) One of the opposite or contrasted parts or directions in which a polar force is manifested; a point of maximum intensity of a force which has two such points, or which has polarity; as, the poles of a magnet; the north pole of a needle..

Herapathite :: Herapathite (n.) The sulphate of iodoquinine, a substance crystallizing in thin plates remarkable for their effects in polarizing light..

Isotropy :: Isotropy (n.) Uniformity of physical properties in all directions in a body; absence of all kinds of polarity; specifically, equal elasticity in all directions..

Levogyrate :: Levogyrate (a.) Turning or twisting the plane of polarization towards the left, as levulose, levotartaric acid, etc..

Multipolar :: Multipolar (a.) Having many poles; -- applied especially to those ganglionic nerve cells which have several radiating processes.

Analyzer :: Analyzer (n.) The part of a polariscope which receives the light after polarization, and exhibits its properties..

Magnetite :: Magnetite (n.) An oxide of iron (Fe3O4) occurring in isometric crystals, also massive, of a black color and metallic luster. It is readily attracted by a magnet and sometimes possesses polarity, being then called loadstone. It is an important iron ore. Called also magnetic iron..