colorimeter

noun

: an instrument or device for determining and specifying colors
specifically : one used for chemical analysis by comparison of a liquid's color with standard colors

Examples of colorimeter in a Sentence

Recent Examples on the Web
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Because there’s no compatible software, that colorimeter doesn’t work. — Luke Larsen, Wired News, 25 Sep. 2025 This is, according to my screen-measuring colorimeter, actually the brightness the Paperwhite reaches in its warmest (and least bright) setting. — Andrew Williams, Forbes, 28 Nov. 2024 According to our colorimeter, the ROG Strix XG27AQDMG spanned 133% of the sRGB color gamut, 91% of Adobe RGB, and 95% of DCI-P3. — PCMAG, 15 July 2024 The level of acceptability was determined by flavor as well as analysis of chemical reactions detected by colorimeter readings. — Ashton Yoon, Discover Magazine, 17 Feb. 2016

Word History

Etymology

borrowed from French colorimètre, from Latin color color entry 1 + -i- -i- + French -mètre -meter

First Known Use

1844, in the meaning defined above

Time Traveler
The first known use of colorimeter was in 1844

Browse Nearby Words

Cite this Entry

“Colorimeter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/colorimeter. Accessed 3 Oct. 2026.

Kids Definition

colorimeter

noun
: a device for determining and specifying colors
especially : one used for chemical analysis by comparison of a liquid's color with standard colors

Medical Definition

colorimeter

noun
: any of various instruments used to objectively determine the color of a solution
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