osmium tetroxide

os·mi·um te·trox·ide

O o

Definitions of osmium tetroxide words

noun osmium tetroxide a crystalline or amorphous, colorless, poisonous compound, OsO 4 , soluble in water, alcohol, and ether: used for microscopic staining, in photography, and as a catalyst in organic synthesis. 1
noun osmium tetroxide a yellowish poisonous water-soluble crystalline substance with a penetrating odour, used as a reagent and catalyst in organic synthesis. Formula: OsO4 0

before 1875

One of the 25% newest English words

First recorded in 1875-80

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This term is known only to a narrow circle of people with rare knowledge. Only 2% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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