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Polaris :: Polaris (n.) The polestar. See North star, under North..

Lodestone :: Lodestone (n.) A piece of magnetic iron ore possessing polarity like a magnetic needle. See Magnetite.

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..

Dextrin :: Dextrin (n.) A translucent, gummy, amorphous substance, nearly tasteless and odorless, used as a substitute for gum, for sizing, etc., and obtained from starch by the action of heat, acids, or diastase. It is of somewhat variable composition, containing several carbohydrates which change easily to their respective varieties of sugar. It is so named from its rotating the plane of polarization to the right; -- called also British gum, Alsace gum, gommelin, leiocome, etc. See Achroodextrin, and Ery

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

Biaxial :: Biaxial (a.) Having two axes; as, biaxial polarization..

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..

Gyroidal :: Gyroidal (a.) Turning the plane of polarization circularly or spirally to the right or left.

Polarizer :: Polarizer (n.) That which polarizes; especially, the part of a polariscope which receives and polarizes the light. It is usually a reflecting plate, or a plate of some crystal, as tourmaline, or a doubly refracting crystal..

Gyrfalcon :: Gyrfalcon (n.) One of several species and varieties of large Arctic falcons, esp. Falco rusticolus and the white species F. Islandicus, both of which are circumpolar. The black and the gray are varieties of the former. See Illust. of Accipiter..

Depolarize :: Depolarize (v. t.) To deprive of polarity; to reduce to an unpolarized condition.

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..

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..

Subpolygonal :: Subpolar (a.) Situated below the poles.

Maltose :: Maltose (n.) A crystalline sugar formed from starch by the action of distance of malt, and the amylolytic ferment of saliva and pancreatic juice. It resembles dextrose, but rotates the plane of polarized light further to the right and possesses a lower cupric oxide reducing power..

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..

Polariscopy :: Polariscopy (n.) The art or rocess of making observations with the polariscope.

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..

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

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