dichromate

[ dahy-kroh-meyt ]

noun

Chemistry. a salt of the hypothetical acid H2Cr2O7, as potassium dichromate, K2Cr2O7.

Origin of dichromate

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

Also bichromate.

Words Nearby dichromate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use dichromate in a sentence

The dichromate is first dissolved, and the acid added gradually.
Animal Proteins | Hugh Garner Bennett
On boiling it with copperas it becomes violet, while on boiling with potassium dichromate it changes to a yellowish brown.
Scientific American Supplement, No. 363, December 16, 1882 | Various
Potassium dichromate, 3/8 oz.; hot water, 1/2 pint; dissolve, and add all together.
Scientific American, Vol. XXXIX.No. 6. [New Series.], August 10, 1878 | Various
Potassic dichromate (bichromate of potash: bichrome) contains potassium, chromium, and oxygen.
Electric Bells and All About Them | S. R. Bottone
Potassium dichromate might therefore be called potassium pyrochromate.
An Elementary Study of Chemistry | William McPherson

British Dictionary definitions for dichromate

dichromate

/ (daɪˈkrəʊmeɪt) /

noun

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

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

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