chromate

American  

[kroh-meyt] / ˈkroʊ meɪt /

noun

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

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chromate British  

/ ˈkrəʊˌmeɪt /

noun

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

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chromate Scientific  

/ krō′māt′ /

1. A chemical compound containing the group CrO ₄.

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Etymology

Origin of chromate

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

Example Sentences

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

For most of his turmeric trading career, Sheikh engaged in an open secret: While processing raw turmeric to powder, he added a chemical called lead chromate to get the tubers to glow yellow.

From Salon ● Aug. 2, 2023

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

But as no beauty of colour compensates for want of durability, their place should be supplied by lemon yellow proper, or chromate of baryta.

From Field's Chromatography or Treatise on Colours and Pigments as Used by Artists by Thomas Salter