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

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 Conant, James Bryant

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

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

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.

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