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Polarimeter
n.
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An instrument for determining the amount of polarization of light, or the proportion of polarized light, in a partially polarized ray.
Polarimetry
n.
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The art or process of measuring the polarization of light.
Polaris
n.
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The polestar. See North star, under North.
Polariscope
n.
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An instrument consisting essentially of a polarizer and an analyzer, used for polarizing light, and analyzing its properties.
Polariscopic
a.
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Of or pertaining to the polariscope; obtained by the use of a polariscope; as, polariscopic observations.
Polariscopy
n.
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The art or rocess of making observations with the polariscope.
Polaristic
a.
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Pertaining to, or exhibiting, poles; having a polar arrangement or disposition; arising from, or dependent upon, the possession of poles or polar characteristics; as, polaristic antagonism.
Polarity
n.
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That quality or condition of a body in virtue of which it exhibits opposite, or contrasted, properties or powers, in opposite, or contrasted, parts or directions; or a condition giving rise to a contrast of properties corresponding to a contrast of positions, as, for example, attraction and repulsion in the opposite parts of a magnet, the dissimilar phenomena corresponding to the different sides of a polarized ray of light, etc.
Polarity
n.
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A property of the conic sections by virtue of which a given point determines a corresponding right line and a given right line determines a corresponding point. See Polar, n.
Polarizable
a.
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Susceptible of polarization.
Polarization
n.
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The act of polarizing; the state of being polarized, or of having polarity.
Polarization
n.
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A peculiar affection or condition of the rays of light or heat, in consequence of which they exhibit different properties in different directions.
Polarization
n.
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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.
Polarized
imp. & p. p.
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of Polarize
Polarizing
p. pr. & vb. n.
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of Polarize
Polarize
v. t.
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To communicate polarity to.
Polarizer
n.
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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.
Polary
a.
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Tending to a pole; having a direction toward a pole.
Polatouche
n.
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A flying squirrel (Sciuropterus volans) native of Northern Europe and Siberia; -- called also minene.
Polder
n.
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A tract of low land reclaimed from the sea by of high embankments.
Poldway
n.
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A kind of coarse bagging, -- used for coal sacks.
Pole
n.
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A native or inhabitant of Poland; a Polander.
Pole
n.
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A long, slender piece of wood; a tall, slender piece of timber; the stem of a small tree whose branches have been removed; as, specifically: (a) A carriage pole, a wooden bar extending from the front axle of a carriage between the wheel horses, by which the carriage is guided and held back. (b) A flag pole, a pole on which a flag is supported. (c) A Maypole. See Maypole. (d) A barber's pole, a pole painted in stripes, used as a sign by barbers and hairdressers. (e) A pole on which climbing beans, hops, or other vines, are trained.
Pole
n.
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A measuring stick; also, a measure of length equal to 5/ yards, or a square measure equal to 30/ square yards; a rod; a perch.
Poling
p. pr. & vb. n.
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of Pole
Pole
v. t.
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To furnish with poles for support; as, to pole beans or hops.
Pole
v. t.
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To convey on poles; as, to pole hay into a barn.
Pole
v. t.
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To stir, as molten glass, with a pole.
Pole
n.
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Either extremity of an axis of a sphere; especially, one of the extremities of the earth's axis; as, the north pole.
Pole
n.
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A point upon the surface of a sphere equally distant from every part of the circumference of a great circle; or the point in which a diameter of the sphere perpendicular to the plane of such circle meets the surface. Such a point is called the pole of that circle; as, the pole of the horizon; the pole of the ecliptic; the pole of a given meridian.