# RDX

> English word · Noun · frequency rank #61,751

## Definitions
1. A high explosive used by the military and industry.

## Etymology
Short for "research department explosive".

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