Mi`cro*cos"mic (?), Mi`cro*cos"mic*al (?), a. [Cf. F. microcosmique.]

Of or pertaining to the microcosm.

Microcosmic salt Chem., a white crystalline substance obtained by mixing solutions of sodium phosphate and ammonium phosphate, and also called hydric-sodic-ammonic-phosphate. It is a powerful flux, and is used as a substitute for borax as a blowpipe reagent in testing for the metallic oxides. Originally obtained by the alchemists from human urine, and called sal microcosmicum.


© Webster 1913.

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