Refractometer

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An optical instrument used to measure the refractive index of a substance.
  2. 2
    measuring instrument for measuring the refractive index of a substance wordnet

Etymology

From refract + -o- + -meter.

Related phrases

Abbe refractometerrefractive index

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.