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

OTHER WORDS FROM spectrophotometer

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. 2023

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

Derived forms of spectrophotometer

spectrophotometric (ˌspɛktrəʊˌfəʊtəˈmɛtrɪk), adjectivespectrophotometry, noun

Word Origin for spectrophotometer

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