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Dextrorotatory :: Dextrorotatory (a.) Turning, or causing to turn, toward the right hand; esp., turning the plane of polarization of luminous rays toward the right hand; as, dextrorotatory crystals, sugars, etc. Cf. Levorotatory..

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

Inducteous :: Inducteous (a.) Rendered electro-polar by induction, or brought into the opposite electrical state by the influence of inductive bodies..

Iceland Spar :: Iceland spar () A transparent variety of calcite, the best of which is obtained in Iceland. It is used for the prisms of the polariscope, because of its strong double refraction. Cf. Calcite..

Differential :: Differential (n.) One of two coils of conducting wire so related to one another or to a magnet or armature common to both, that one coil produces polar action contrary to that of the other..

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

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

Polarimeter :: Polarimeter (n.) An instrument for determining the amount of polarization of light, or the proportion of polarized light, in a partially polarized ray..

Pyroelectric :: Pyroelectric (n.) A substance which becomes electrically polar when heated, exhibiting opposite charges of statical electricity at two separate parts, especially the two extremities..

Apolar :: Apolar (a.) Having no radiating processes; -- applied particularly to certain nerve cells.

Dipolar :: Dipolar (a.) Having two poles, as a magnetic bar..

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

Rotatory :: Rotatory (a.) Producing rotation of the plane of polarization; as, the rotatory power of bodies on light. See the Note under polarization..

Periscii :: Periscii (n. pl.) Those who live within a polar circle, whose shadows, during some summer days, will move entirely round, falling toward every point of the compass..

Polarization :: Polarization (n.) An effect produced upon the plates of a voltaic battery, or the electrodes in an electrolytic cell, by the deposition upon them of the gases liberated by the action of the current. It is chiefly due to the hydrogen, and results in an increase of the resistance, and the setting up of an opposing electro-motive force, both of which tend materially to weaken the current of the battery, or that passing through the cell..

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

Ray :: Ray (n.) A line of light or heat proceeding from a radiant or reflecting point; a single element of light or heat propagated continuously; as, a solar ray; a polarized ray..

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 /..

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..

Levulose :: Levulose (n.) A sirupy variety of sugar, rarely obtained crystallized, occurring widely in honey, ripe fruits, etc., and hence called also fruit sugar. It is called levulose, because it rotates the plane of polarization to the left..

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