spectrophotometer

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

noun

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

spectrophotometer

/ ˌspɛktrəʊfəʊˈtɒmɪtə; ˌspɛktrəʊˌfəʊtəˈmɛtrɪk /

noun

1. See spectrometer
   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

• ˌspectrophoˈtometry, noun
• spectrophotometric, adjective

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

Word History and Origins

Origin of spectrophotometer¹

First recorded in 1880–85; spectro- + photometer

Word History and Origins

Origin of spectrophotometer¹

C19: from spectro- + photo- + -meter