ˈaldəˌhīd noun
( -s )
Etymology: German aldehyd, from New Latin al dehyd, abbreviation of alcohol dehydrogenatum dehydrogenated alcohol
1. : acetaldehyde
2. : any of a class of very reactive organic compounds typified by acetaldehyde and characterized by the group — CHO that are intermediate in state of oxidation, having two fewer hydrogen atoms in the molecule than primary alcohols and one less oxygen atom than carboxylic acids
• al·de·hyd·ic |aldə|hīdik adjective