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. Synonyms: atomic number 8, oxygen.
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"O" Quotes from Famous Books — The Grip of Desire • Hector France — Baldy of Nome • Esther Birdsall Darling — Crops and Methods for Soil Improvement • Alva Agee — Mary Anerley • R. D. Blackmore — Lorna Doone - A Romance of Exmoor • R. D. Blackmore |
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