verb ·Rare ·Advanced level

Definitions

Verb

1. 1
   To remove nitrogen from (a material). transitive
2. 2
   To remove nitrogen from the body, by breathing nitrogen-free gases, before reascending from a deep-sea dive.

Etymology

From de- + nitrogenate.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.