Definitions

1. noun

An organic compound that has a carbonyl group (CHO) at the end of a carbon chain or ring.

“The laboratory used aldehydes to synthesize various chemicals for research.”

2. chemistry

A class of organic compounds that contain a carbonyl group (CHO) and are derived from alcohols by the oxidation of the hydroxyl group.

“Aldehydes are commonly used in the production of fragrances and perfumes.”