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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

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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

Since the chromate changes into a dichromate in the presence of an acid, it will be sufficient to study the action of the dichromates alone.

From An Elementary Study of Chemistry by McPherson, William

This is the best known dichromate, and is the most familiar chromium compound.

From An Elementary Study of Chemistry by McPherson, William

Dextrine 60 grains White sugar 75 grains Ammonium dichromate 30 grains Glycerine 2 to 8 minims Distilled water 3 ounces The gum is first dissolved and the remainder of the ingredients added.

From Photogravure by Blaney, Henry R.

When technical sodium dichromate is used, the solution should be filtered with suction, before it is added to the hydroquinone, in order to remove any insoluble impurities.

From Organic Syntheses by Conant, James Bryant

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