Definition of formalin in English:

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formalin

Pronunciation: /ˈfôrməlin/

noun

A colorless solution of formaldehyde in water, used chiefly as a preservative for biological specimens.
Example sentences
  • Other chemicals Spry discussed include peracetic acid, hydrogen peroxide, formalin, and methyl methacrylate.
  • Dead snakes brought to the hospital were labelled and preserved in 10% formalin or 70% ethanol.
  • Also known as Zenker-formol, this is a modification of Zenker's fluid in which formalin is substituted for acetic acid.

Origin

Late 19th century: from formaldehyde + -in1.

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