refractometer

refractometer
An instrument for measuring the degree of refraction in translucent substances, especially the ocular media. See refractive index. SYN: objective optometer, refractionometer. [refraction + G. metron, measure]

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re·frac·tom·e·ter .rē-.frak-'täm-ət-ər, ri- n an instrument for measuring indices of refraction

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n.

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re·frac·tom·e·ter (re″frak-tomґə-tər) [refraction + -meter] 1. an instrument for measuring the refractive power of the eye. 2. an instrument for determining the indexes of refraction of various substances, particularly for determining the strength of lenses of spectacles.

Medical dictionary. 2011.

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  • Refractometer — Re frac*tom e*ter (r? fr?k*t?m ?*t?r), n. [Refraction + meter.] (Opt.) A contrivance for exhibiting and measuring the refraction of light. [1913 Webster] …   The Collaborative International Dictionary of English

  • refractometer — [rē΄frak täm′ət ər] n. an instrument for measuring refraction, as of the eye …   English World dictionary

  • Refractometer — A refractometer is an optical instrument that is used to determine the refractive index of a substance. This often refers to some physical property of a substance that is directly related to its refractive index. Certain types of refractometers… …   Wikipedia

  • refractometer — Interferometer In ter*fe*rom e*ter, n. [See {Interfere} and meter.] (Physics) An instrument for measuring small movements, distances, or displacements by means of the interference of two beams of light; formerly also called also {refractometer},… …   The Collaborative International Dictionary of English

  • refractometer — refraktometras statusas T sritis Standartizacija ir metrologija apibrėžtis Dujų, skysčių ir kietųjų kūnų lūžio rodiklio matuoklis. atitikmenys: angl. refractometer vok. Refraktometer, n rus. рефрактометр, m pranc. réfractomètre, m …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • refractometer — refraktometras statusas T sritis fizika atitikmenys: angl. refractometer vok. Brechzahlmesser, m; Refraktometer, n rus. рефрактометр, m pranc. réfractomètre, m …   Fizikos terminų žodynas

  • refractometer — noun Etymology: International Scientific Vocabulary Date: circa 1859 an instrument for measuring refractive indices (as for identification or the determination of sugar content) • refractometric adjective • refractometry noun …   New Collegiate Dictionary

  • refractometer — refractometric /ri frak teuh me trik/, adj. refractometry, n. /ree frak tom i teuhr/, n. Optics. an instrument for determining the refractive index of a substance. [1875 80; REFRACT + O + METER] * * * …   Universalium

  • refractometer — noun An optical instrument used to measure the refractive index of a substance See Also: refractometric, refractometry …   Wiktionary

  • Refractometer — Рефрактометр …   Краткий толковый словарь по полиграфии

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