1. Plural of acetaldehyde; organic compounds with the chemical formula CH₃CHO, produced by the oxidation of ethanol and used in manufacturing acetic acid, plastics, and other chemicals.
Usage: chemistry; technical term; typically used in plural when referring to multiple compounds or instances

Examples

• Acetaldehydes are important intermediates in organic synthesis.
• The fermentation process produces acetaldehydes as a byproduct.
• Industrial production of acetaldehydes relies on ethanol oxidation.
• Acetaldehydes are used in the manufacture of acetic acid and polymers.
• The concentration of acetaldehydes in the solution was measured using chromatography.