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dichromate

American  
[dahy-kroh-mayt] / 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 .


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–

"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:

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

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 William McPherson

This requires about one-half to three-quarters of an hour; 90 to 110 cc. of sodium dichromate solution is necessary.

From Organic Syntheses by James Bryant Conant

It is sometimes advisable to regulate the quantity of dichromate.

From Photogravure by Henry R. Blaney

The latter is prepared by oxidizing the anthracene—previously reduced by sublimation to the condition of a very finely-divided crystalline powder—with sulphuric acid and potassium dichromate.

From Coal and What We Get from It by Raphael Meldola

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