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spectrophotometer

[ spek-troh-foh-tom-i-ter ]
/ ˌspɛk troʊ foʊˈtɒm ɪ tər /
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noun

an instrument for making photometric comparisons between parts of spectra.

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Origin of spectrophotometer

First recorded in 1880–85; spectro- + photometer
spec·tro·pho·to·met·ric [spek-troh-foh-tuh-me-trik], /ˌspɛk troʊˌfoʊ təˈmɛ trɪk/, adjectivespec·tro·pho·to·met·ri·cal·ly, adverbspec·tro·pho·tom·e·try, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for spectrophotometer

spectrophotometer
/ (ˌspɛktrəʊfəʊˈtɒmɪtə) /

noun

an instrument for producing or recording a spectrum and measuring the photometric intensity of each wavelength present, esp such an instrument used for infrared, visible, and ultraviolet radiationSee also spectrometer
spectrophotometric (ˌspɛktrəʊˌfəʊtəˈmɛtrɪk), adjectivespectrophotometry, noun
C19: from spectro- + photo- + -meter
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for spectrophotometer

spectrophotometer
[ spĕk′trō-fō-tŏmĭ-tər ]

n.

An instrument for measuring the intensity of light of a definite wavelength transmitted by a substance or a solution, thus providing a measure of the amount of material in the solution absorbing the light.
spec′tro•pho′to•metric (-fō′tə-mĕtrĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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