# trigonal

> English word · Adjective · IPA /ˈtrɪɡənəl/ · frequency rank #96,595

## Definitions
1. Having three angles and three sides, triangular.
2. Of or pertaining to a crystal system with three equal and equally inclined but not perpendicular axes.
3. Relating to the trigone

## Etymology
From Latin trigōnālis (“triangular”), equivalent to trigon + -al.

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