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Webster 1913 Edition
Salicylal
Sal′i-cylˊal
,Noun.
[
Salicyl
ic + al
dehide.] (Chem.)
A thin, fragrant, colorless oil,
HO.C6H4.CHO
, found in the flowers of meadow sweet (Spiraea
), and also obtained by oxidation of salicin, saligenin, etc. It reddens on exposure. Called also salicylol
, salicylic aldehyde
, and formerly salicylous acid
or spiroylous acid
.