# SGM

> English word · Noun

## Definitions
1. Sergeant major.
2. Initialism of spherical grating monochromator.
3. Sexual and gender minority/minorities, i.e. non-heterosexual and/or non-cisgender person(s). (Also used attributively.)

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