Definition of formalin in English:

formalin

Line breaks: for|ma¦lin
Pronunciation: /ˈfɔːm(ə)lɪn
 
/

noun

[mass noun]
  • A colourless solution of formaldehyde in water, used chiefly as a preservative for biological specimens.
    More 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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a slit made by cutting with a saw