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dichromate

American

[dahy-kroh-meyt] / daɪˈkroʊ meɪt /

noun

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

dichromate British

/ daɪˈkrəʊmeɪt /

noun

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

"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 dichromate

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

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.

A lawsuit filed by Houston Lawyer Mike Doyle on behalf of 159 veterans says KBR exposed service members to sodium dichromate, which caused respiratory ailments.

From Washington Times • Sep. 2, 2015

Commercial sodium dichromate is hygroscopic and contains varying amounts of water.

From Organic Syntheses by Conant, James Bryant

It will be noticed that the oxidizing action of potassium dichromate leaves potassium sulphate and chromium sulphate as the products of the reaction.

From An Elementary Study of Chemistry by McPherson, William

In all 540 g. of sodium dichromate are added, the addition taking one to two hours.

From Organic Syntheses by Conant, James Bryant

On evaporating the solution these substances crystallize out as potassium chrome alum, which substance is produced as a by-product in the industries using potassium dichromate for oxidizing purposes.

From An Elementary Study of Chemistry by McPherson, William

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