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chromate

American

[kroh-meyt] / ˈkroʊ meɪt /

noun

a salt of chromic acid, as potassium chromate, K 2 CrO 4 .

chromate British

/ ˈkrəʊˌmeɪt /

noun

any salt or ester of chromic acid. Simple chromate salts contain the divalent ion, CrO 4 ^2– , and are orange

"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

chromate Scientific

/ krō′māt′ /

A chemical compound containing the group CrO ₄.

Etymology

Origin of chromate

First recorded in 1810–20; chrom(ic acid) + -ate ²

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

chromate

Especially notorious is lead chromate mixed in with cinnamon to achieve a bright colour or bulk out the powders.

From BBC ● Feb. 9, 2026

The lead-to-chromium ratio found in the factory is consistent with lead chromate, a compound that has been previously reported as a contaminant in certain spices, officials said.

From Seattle Times ● Jan. 5, 2024

Although he didn't know the precise health impacts of the lead chromate, he said, "it's common sense that chemicals are harmful."

From Salon ● Aug. 2, 2023

The crackdown on turmeric in 2019 may, in part, explain why the use of lead chromate in polishing turmeric has since decreased.

From Salon ● Aug. 2, 2023

By means of the chromate of gelatin photographic process, such transfers may be made without great difficulty.

From Scientific American, Vol. XXXVII.?No. 2. [New Series.], July 14, 1877 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023