Definition of "dichromate" [di•chro•mate]

• A compound containing the divalent negative ion, Cr2O7, usually having a characteristic orange-red color. Also called bichromate. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "She went online and ordered potassium dichromate, a corrosive chemical than can destroy human tissue."
• "I do remember, however, sneaking into the chemistry supply area in high school to get ammonium dichromate to make flaming "volcanoes," so maybe I do qualify."
• "The hearings revealed that troops from Indiana, Oregon, South Carolina, and West Virginia were exposed to sodium dichromate, a known and highly potent carcinogen at the Qarmat Ali water treatment facility in Iraq."