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- (inorganic chemistry, especially in combination) Three silver atoms in a compound.
- 1900, “Mixed Esters of Cochinelic Acid”, in Journal of the Chemical Society, page 661:
- This, however, reacts with methyl iodide just as the trisilver salt does. When dry trisilver cochinelate is heated with excess of methyl iodide at 100°, a mixture of the methyl ethers of trimethyl and dimethyl hydrogen cochinelate, OMe⋅C6HMe(CO2Me)3 and OMe⋅C6HMe(CO2H)(CO2Me)2, is obtained; these can be separated by means of aqueous sodium carbonate.