# SRM

> English word · Noun · frequency rank #57,093

## Definitions
1. Initialism of solid rocket motor.
2. Initialism of solar radiation management.
3. Initialism of standard reference material (“a standardized material of known composition used as a reference, to calibrate testing equipment, to validate testing equipment, to test materials and equipment”).
4. Initialism of specified risk material.

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