spectrophotometer

spectrophotometer
An instrument for measuring the intensity of light of a definite wavelength transmitted by a substance or a solution, giving a quantitative measure of the amount of material in the solution absorbing the light; a colorimeter with a choice of wavelength and photometric measurement. [spectro- + photometer]

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spec·tro·pho·tom·e·ter .spek-trō-fə-'täm-ət-ər n a photometer for measuring the relative intensities of the light in different parts of a spectrum
spec·tro·pho·to·met·ric -trə-.fōt-ə-'me-trik adj
spec·tro·pho·to·met·ri·cal·ly -tri-k(ə-)lē adv
spec·tro·pho·tom·e·try .spek-(.)trō-fə-'täm-ə-trē n, pl -tries

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n.
an instrument (a spectrometer) for measuring the intensity of the wavelengths of the components of light (visible or ultraviolet).

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spec·tro·pho·tom·e·ter (spek″tro-fo-tomґə-tər) [spectro- + photometer] an apparatus for estimating the quantity of coloring matter in solution by the quantity of light absorbed (as indicated by the spectrum) in passing through the solution. Cf. colorimeter.

Medical dictionary. 2011.

Look at other dictionaries:

  • Spectrophotometer — Spec tro*pho*tom e*ter, n. [Spectrum + photometer.] 1. (Opt.) An instrument for measuring or comparing the intensities of the colors of the spectrum. [1913 Webster] 2. (Chem., Physics) An analytical instrument for measuring the degree of… …   The Collaborative International Dictionary of English

  • spectrophotometer — spectrophotometer. См. спектрофотометр. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • spectrophotometer — [spek΄trə fō täm′ət ər] n. an instrument used for measuring the transmission or reflection of light by comparing various wavelengths of the light spectrophotometric [spek΄trōfōt΄ə me′trik] adj. spectrophotometry n …   English World dictionary

  • spectrophotometer — spektrofotometras statusas T sritis Standartizacija ir metrologija apibrėžtis Spektrinis aparatas tiriamosios ir etaloninės spinduliuočių srautams lyginti. atitikmenys: angl. spectrophotometer vok. Spektralphotometer, n rus. спектрофотометр, m… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • spectrophotometer — spektrofotometras statusas T sritis fizika atitikmenys: angl. spectrophotometer vok. Spektralphotometer, n; Spektrophotometer, n rus. спектрофотометр, m pranc. spectrophotomètre, m …   Fizikos terminų žodynas

  • spectrophotometer — spektrofotometras statusas T sritis ekologija ir aplinkotyra apibrėžtis Spektrinis prietaisas matuojamosios ir etaloninės spinduliuotės srautams lyginti. atitikmenys: angl. spectrophotometer vok. Spektralphotometer, n; Spektrophotometer, n rus.… …   Ekologijos terminų aiškinamasis žodynas

  • spectrophotometer — noun Etymology: International Scientific Vocabulary Date: 1881 a photometer for measuring the relative intensities of the light in different parts of a spectrum • spectrophotometric also spectrophotometrical adjective • spectrophotometrically… …   New Collegiate Dictionary

  • spectrophotometer — spectrophotometric /spek troh foh teuh me trik/, adj. spectrophotometrically, adv. spectrophotometry, n. /spek troh foh tom i teuhr/, n. an instrument for making photometric comparisons between parts of spectra. [1880 85; SPECTRO + PHOTOMETER] *… …   Universalium

  • spectrophotometer — noun An instrument used to measure the intensity of electromagnetic radiation at different wavelengths. See Also: spectrometer, spectrophotometric, spectrophotometry …   Wiktionary

  • spectrophotometer —    An instrument used to measure the intensity of a specific wavelength of light entering and leaving a solution. A light measuring device which incorporates a monochrometer to isolate and project particular wavelengths of electromagnetic… …   Forensic science glossary

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