dichromate

[ dahy-kroh-meyt ]

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

/ daɪˈkrəʊmeɪt /

noun

1. any salt or ester of dichromic acid. Dichromate salts contain the ion Cr 2 O 7 ^2– Also calledbichromate

Word History and Origins

Origin of dichromate¹

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

Example Sentences

The dichromate is first dissolved, and the acid added gradually.

From Project Gutenberg

On boiling it with copperas it becomes violet, while on boiling with potassium dichromate it changes to a yellowish brown.

From Project Gutenberg

Potassium dichromate, 3/8 oz.; hot water, 1/2 pint; dissolve, and add all together.

From Project Gutenberg

Potassic dichromate (bichromate of potash: bichrome) contains potassium, chromium, and oxygen.

From Project Gutenberg

Potassium dichromate might therefore be called potassium pyrochromate.

From Project Gutenberg