# nitrogenase

> English word · Noun

## Definitions
1. Any enzyme, especially in nitrogen-fixing bacteria, that catalyzes the conversion of atmospheric nitrogen into ammonia.

## Etymology
From nitrogen + -ase.

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