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spectrophotometer

[ spek-troh-foh-tom-i-ter ]

noun

  1. an instrument for making photometric comparisons between parts of spectra.

spectrophotometer

/ ˌspɛktrəʊfəʊˈtɒmɪtə; ˌspɛktrəʊˌfəʊtəˈmɛtrɪk /

noun

  1. 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 radiation See also spectrometer
“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
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Derived Forms

  • spectrophotometric, adjective
  • ˌspectrophoˈtometry, noun
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Other Words From

  • spec·tro·pho·to·met·ric [spek-troh-foh-t, uh, -, me, -trik], adjective
  • spectro·photo·metri·cal·ly adverb
  • spectro·pho·tome·try noun
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Word History and Origins

Origin of spectrophotometer1

First recorded in 1880–85; spectro- + photometer
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Word History and Origins

Origin of spectrophotometer1

C19: from spectro- + photo- + -meter
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Compare Meanings

How does spectrophotometer compare to similar and commonly confused words? Explore the most common comparisons:

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spectrophotoelectricspectropolarimeter

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