Sal"i*cyl`al (?), n. [Salicylic + aldehide.] Chem.

A thin, fragrant, colorless oil, HO.C6H4.CHO, found in the flowers of meadow sweet (Spiraea), and also obtained by oxidation of saligenin, etc. It reddens on exposure. Called also salycylol, salicylic aldehyde, and formerly salicylous, ∨ spiroylous, acid.


© Webster 1913.

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