# RRR

> English word · Noun · frequency rank #60,434

## Definitions
1. Acronym of regular rate and rhythm, used to describe the heartbeat of patient.
2. Initialism of relative risk reduction.
3. Initialism of required run rate.

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