[化] 羟醛; 3-羟基丁醛; 醛醇

[医] 丁间醇醛, 3-羟基丁醛

[ noun ]
an oily colorless liquid obtained by the condensation of two molecules of acetaldehyde; contains an alcohol group (-OH) and an aldehyde group (-CHO)
<noun.substance>

Aldol \Al"dol\, n. [Aldehyde + -ol as in alcohol.] (Chem.)
A colorless liquid, {C4H8O2}, obtained by condensation of two
molecules of acetaldehyde: CH3CHO + CH3CHO = H3CH(OH)CH2CO;
also, any of various derivatives of this. The same reaction
has been applied, under the name of

{aldol condensation}, to the production of many compounds.
[Webster 1913 Suppl.]