ammonium dichromate

noun

: a crystalline compound (NH4)2Cr2O7 used as a coloring agent in pyrotechnics and formerly in photographic development to enhance certain colors

called also ammonium bichromate

Word History

First Known Use

1872, in the meaning defined above

Time Traveler
The first known use of ammonium dichromate was in 1872

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Dictionary Entries Near ammonium dichromate

Cite this Entry

“Ammonium dichromate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ammonium%20dichromate. Accessed 22 Nov. 2024.

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