# regenerator

> English word · Noun · frequency rank #98,641

## Definitions
1. One who, or that which, regenerates.
2. A type of heat exchanger where heat from the hot fluid is intermittently stored in a thermal storage medium before it is transferred to the cold fluid.

## Etymology
From regenerate + -er.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-02.
Canonical page: https://plainspell.com/en/word/regenerator