# anhydride

> English word · Noun · frequency rank #69,640

## Definitions
1. Any compound formally derived from another (or from others) by the loss of a water molecule, especially acid anhydrides.

## Etymology
From an- + hydride. Compare anhydrous and -ide.

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