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

Other Word Forms

• spectrophotometric adjective
• spectrophotometrically adverb
• spectrophotometry 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

Example Sentences

In a new study, researchers analyzed the videos and images of the blue-dominant aurora to estimate the area of the phenomenon and confirmed the estimates with spectrophotometers.

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The researchers conducted spectral analysis of the newly identified protein using a spectrophotometer, a tool that examines light properties across various spectra.

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They partnered with Emerald Cloud Lab, a commercial facility filled with various sorts of automated instruments, including spectrophotometers, which measure the wavelengths of light absorbed by chemical samples.

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Our research project uses a portable spectrophotometer to rapidly determine petiole nutrient values in a potato field.

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A larger breathalyzer unit that is found in the police station will have infrared spectrophotometer technology.

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