Definition of microcosmic salt in English:

microcosmic salt

Line breaks: micro|cos¦mic salt


[mass noun] Chemistry
  • A white crystalline salt obtained from human urine.
    • Hydrated sodium ammonium hydrogen phosphate; chemical formula: HNaNH4PO4.4H2O
    More example sentences
    • However Dalton did make some contributions on microcosmic salt and on a new method of analysing sugar.
    • The fluorine in this mineral was not certainly recognized by the blowpipe test, using a flux of microcosmic salt, the well-known etching-power of phosphoric acid itself standing in the way of this.
    • A test similar to the borax bead test is often made using microcosmic salt.


late 18th century: translating Latin sal microcosmicus.

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