Po"lar*i*ly (?), adv. In a polary manner; with polarity. [R.] Sir T.
Browne.
Po`lar*im"e*ter (?), n. [Polar + -meter.] (Opt.) An instrument for
determining the amount of polarization of light, or the proportion of
polarized light, in a partially polarized ray.
Po`lar*im"e*try (?), n. (Opt.) The art or process of measuring the
polarization of light.
||Po*la"ris (?), n. [NL. See Polar.] (Astron.) The polestar. See North
||star, under North.
Po*lar"i*scope (?), n. [Polar + -scope.] (Opt.) An instrument
consisting essentially of a polarizer and an analyzer, used for
polarizing light, and analyzing its properties.
Po*lar`i*scop"ic (?), a. (Opt.) Of or pertaining to the polariscope;
obtained by the use of a polariscope; as, polariscopic observations.
Po`lar*is"co*py (?), n. (Opt.) The art or rocess of making observations
with the polariscope.
Po`lar*is"tic (?), a. 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.
Po*lar"i*ty (?), n. [Cf. F. polaritÈ.] 1. (Physics) 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.
2. (Geom.) 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.
Po"lar*i`za*ble (?), a. Susceptible of polarization.