(organic chemistry) Any of a large class of reactive organic compounds (R·CHO) having a carbonyl functional group attached to one hydrocarbon radical and a hydrogen atom.

plural of aldehyde

(organic chemistry) Of, relating to, or being an aldehyde; having the character of an aldehyde.

(organic chemistry) Any organic compound containing both an amino and an aliphatic aldehyde functional group

(organic chemistry, dated) acetaldehyde.

(biochemistry) Any enzyme that catalyzes the oxidation of an aldehyde to a carboxylic acid

plural of aldehyde oxidase

ethyl methylphenylglycidate

(organic chemistry) The phenolic aldehyde 3-(4-hydroxy-3-methoxyphenyl)prop-2-enal sometimes present in wine that has a cork stopper

(chemistry) A 5-aminopenta-2,4-dienal, the product of the reaction of a pyridinium salt with two equivalents of any secondary amine, followed by basic hydrolysis.