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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

Procedure IN a 5-l. round-bottom flask, fitted with a mechanical stirrer, are placed 680 g. of sodium dichromate, 1500 cc. of water, and 230 g. of p-nitrotoluene.

From Organic Syntheses by Conant, James Bryant

This is performed in a solution of potassium dichromate rendered alkaline with ammonia.

From Photogravure by Blaney, Henry R.

At first a greenish-black precipitate forms, but upon further addition of the sodium dichromate solution, the color changes to yellowish green.

From Organic Syntheses by Conant, James Bryant

After this it is well washed to remove the unaltered gum and dichromate salt.

From Photogravure by Blaney, Henry R.

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