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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.

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

In this sense, Bangladesh's success is noteworthy, said Roberts, who was not involved in the project to eliminate lead chromate from turmeric.

From Salon • Aug. 2, 2023

It's in this step that lead chromate would be used to enhance color.

From Salon • Aug. 2, 2023

Sodium bichromate, Na2Cr2O7�2H2O, may be obtained by the addition of the requisite quantity of chromium trioxide to a solution of sodium chromate.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" by Various

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