formalin
/ˈfɔːm(ə)lɪn
/noun [mass noun]
A colourless solution of formaldehyde in water, used chiefly as a preservative for biological specimens.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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