lead chromate

American

[led] / lɛd /

noun

Chemistry.

a yellow crystalline compound, PbCrO 4 , toxic, insoluble in water: used as an industrial paint pigment.

lead chromate British

/ lɛd /

noun

chem a yellow solid used as a pigment, as in chrome yellow. Formula: PbCrO 4

"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

Etymology

Origin of lead chromate

First recorded in 1900–05

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:

lead chromate

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

That sludge was believed to be lead chromate, a suspected human carcinogen.

From Washington Times ● Dec. 28, 2019

Some spice processors in Bangladesh use an industrial lead chromate pigment to amp up turmeric’s bright yellow color, which makes it a prized addition to curries and other dishes.

From Washington Post ● Sep. 28, 2019

By boiling white lead with chromate of soda and subsequently treating with small quantities of sulphuric acid, American vermilion, or basic lead chromate, is prepared.

From Paint Technology and Tests by Henry A. Gardner

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