from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A bright yellowish-red crystalline compound, K2Cr2O7, used as an oxidizing agent, and in pyrotechnics, explosives, and safety matches.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A potassium salt of chromic acid, K2Cr2O7; the orange crystals are soluble in water, and it is used as an oxidizing agent and in photography.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an orange-red salt used in making dyes and in photography
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