# aldehyde

> English word · Noun · IPA /ˈæl.dɪ.haɪd/ · frequency rank #55,899

## Definitions
1. 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.

## Etymology
Borrowed from German Aldehyd, a contraction of the Latin al(cohol) dehyd(rogenātum).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/aldehyde