Word Study
formalin
CIDE DICTIONARY
formalin, n. [Formic + aldehyde + -in.].
An aqueous solution of formaldehyde, used as a preservative in museums and as a disinfectant. [Webster 1913 Suppl.]
OXFORD DICTIONARY
formalin, n. a colourless solution of formaldehyde in water used as a preservative for biological specimens etc.
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