dichromate

American  

[dahy-kroh-meyt] / daɪˈkroʊ meɪt /

noun

1. Chemistry. a salt of the hypothetical acid H 2 Cr 2 O 7 , as potassium dichromate, K 2 Cr 2 O 7 .

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dichromate British  

/ daɪˈkrəʊmeɪt /

noun

1. Also called: bichromate.  any salt or ester of dichromic acid. Dichromate salts contain the ion Cr 2 O 7 ^2–

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Etymology

Origin of dichromate

First recorded in 1860–65; di- ¹ + chromate

Example Sentences

The contamination was first detected more than a decade ago, and officials traced it to potassium dichromate used to prevent corrosion inside cooling towers at Los Alamos lab's power plant.

From US News

More than 100 soldiers have sued KBR for exposing them to cancer-causing toxins after the plant was contaminated with sodium dichromate, a chemical used to fight corrosion.

From Reuters

“These plaintiffs were not exposed to dangerous amounts of sodium dichromate and did not suffer any damages as a result of anything KBR did or did not do,” Harrison said.

From Reuters

Perkin isolated a derivative called allyl-toluidine, then tried to transform it into quinine by oxidizing it in a mixture with potassium dichromate and sulfuric acid.

From Scientific American

Court documents filed for the guardsmen said that much of the sodium dichromate was in powder form and blowing around the plant.

From Reuters