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| diatomic oxygen | |||
| 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 | |||
| oxygen | |||
| οξυγόνο: 89 phrases in 15 subjects |
| Chemistry | 11 |
| Coal | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Environment | 23 |
| Food industry | 2 |
| Health care | 1 |
| Industry | 3 |
| Labor law | 1 |
| Life sciences | 2 |
| Materials science | 1 |
| Medical | 14 |
| Metallurgy | 14 |
| Natural sciences | 7 |
| Transport | 7 |