say it: poh-LER-uh-skohp
polariscope is a noun meaning "an optical device used to measure the rotation of the plane of vibration of polarized light". It carries one recorded sense.
an optical device used to measure the rotation of the plane of vibration of polarized light
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for polariscope come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.