1 ammonium dichromate | Definition of ammonium dichromate

ammonium dichromate

noun

Definition of ammonium dichromate

: 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

First Known Use of ammonium dichromate

1872, in the meaning defined above

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