Synonyms for (noun) oxygen

Synonyms: atomic number 8, O, oxygen

Definition: 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

Similar words: element, chemical element

Definition: any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter


Similar words: gas

Definition: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely