Hypertext Webster Gateway: "polarimeter"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Polarimeter \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.
From WordNet (r) 1.7 (wn)
polarimeter
n : an optical device used to measure the rotation of the plane
of vibration of polarized light [syn: {polariscope}]
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