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oxygen

ox·y·gen

oxygen

 
 
pronunciation:
ak s jn
features:
Word Combinations (noun), Word Explorer, Word Parts
part of speech: noun
definition: a chemical element that has eight protons in each nucleus and that occurs in pure form, as a colorless, odorless gas essential to the respiration of living things, or in important compounds such as water, carbohydrates, and oxide minerals. (symbol: O)
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derivations: oxygenic (adj.), oxygenous (adj.), oxygenicity (n.)
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  air, blood, breathe, cell, ecosystem, element, health, leaf, life, life cycle, respiration, tree, water
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