spectrophotometer

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

noun

an instrument for making photometric comparisons between parts of spectra.

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/, adjective spec·tro·pho·to·met·ri·cal·ly, adverb spec·tro·pho·tom·e·try, noun

Words nearby spectrophotometer

spectrology, spectrometer, spectrometry, spectromicroscope, spectrophotoelectric, spectrophotometer, spectrophotometric analysis, spectropolarimeter, spectropolariscope, spectroradiometer, spectroscope

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 radiation See also spectrometer

Derived forms of spectrophotometer

spectrophotometric (ˌspɛktrəʊˌfəʊtəˈmɛtrɪk), adjective spectrophotometry, noun

Word Origin for spectrophotometer

C19: from spectro- + photo- + -meter

Medical definitions for spectrophotometer

spectrophotometer
[ spĕk′trō-fō-tŏm′ĭ-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.

Other words from spectrophotometer

spec′tro•pho′to•met′ric (-fō′tə-mĕt′rĭk) adj.