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dichromate

American

[dahy-kroh-mayt] / 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.

See Examples For:

dichromate

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 James Bryant Conant

A concentrated solution of technical sodium dichromate is prepared by dissolving 140 g. in 65 cc. of water.

From Organic Syntheses by James Bryant Conant

A salt containing two parts of chromic acid to one of the other ingredients; as, potassfum bichromate; Ð called also dichromate.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Noah Webster

The reason why the potassium salt rather than the sodium compound is used is that sodium chromate and dichromate are so soluble that it is hard to prepare them pure.

From An Elementary Study of Chemistry by William McPherson

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