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| diatomic oxygen | |||
| oxyhydrogen gas | |||
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| oxygen A gaseous chemical element; an essential element in cellular respiration and in combustion processes; the most abundant element in the earth's crust and about 20% of the air by volume | |||
| E 948 | |||
| oxygen | |||
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| oxidize | |||
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oxygene : 658 phrases, 46 sujets |