oxygen
oxy·gen
noun
1.
a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth''s crust
Phrases
- atmospheric oxygen
- biochemical oxygen demand
- biological oxygen demand
- carbon-nitrogen-oxygen cycle
- chemical oxygen generator
- hyperbaric oxygen chamber
- liquid oxygen
- molecular oxygen
Related words
Broader terms
Narrower terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.