adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Having a normal oxygen concentration; typically 20-21% in the atmosphere, or 2-3% in physiological contexts. not-comparable
2. 2
   Describing a breathing gas mixture that contains 21% oxygen, the same amount as in normal air. not-comparable

Etymology

From normoxia + -ic.

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