refractometer

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noun

An optical instrument used to measure the refractive index of a substance.

UncommonScrabble 20

Meanings

nounrefractometer (plural refractometers)

plural refractometers

  1. natural sciencesAn optical instrument used to measure the refractive index of a substance.

Origin

  1. Englishrefract
  2. Proto-Indo-European*med-
  3. Proto-Indo-European*meh₁-
  4. Ancient Greekμέτρον (métron)
  5. Englishrefractometer

From refract + -o- + -meter.

Full word history & related roots →

Translations

Catalan refractòmetre
  • refractòmetreinstrument used to measure the refractive index
French réfractomètre
  • réfractomètreinstrument used to measure the refractive index
German Refraktometer
  • Refraktometerinstrument used to measure the refractive index
Greek διαθλασίμετρο
  • διαθλασίμετρο (diathlasímetro)instrument used to measure the refractive index
Hungarian refraktométer
  • refraktométerinstrument used to measure the refractive index
Italian rifrattometro
  • rifrattometroinstrument used to measure the refractive index
Malay refraktometer
  • refraktometerinstrument used to measure the refractive index
Portuguese refratómetro, refratômetro
  • refratómetroinstrument used to measure the refractive index
  • refratômetroinstrument used to measure the refractive index
Romanian refractometru
  • refractometruinstrument used to measure the refractive index
Spanish refractómetro
  • refractómetroinstrument used to measure the refractive index
Cite this entry
APA

refractometer. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/refractometer

MLA

“refractometer.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/refractometer. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “refractometer,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/refractometer.

Source: refractometer on Wiktionary, CC BY-SA 4.0.