# fuel cell

> English word · Noun · IPA /ˈfjuː(ə)l sɛl/

## Definitions
1. An electrochemical device in which the intrinsic chemical free energy of fuel and oxidant is catalytically converted to direct current energy.
2. Synonym of fuel tank: A fuel storage tank.
3. Synonym of fuel tank: A fuel storage tank.

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