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| oxygen | |
| ambient. | oxygen |
| industr. quím. | E 948; oxygen |
| ring | |
| agric. | grommet; rim of a bottle |
| comun. transp. | cordon line |
| constr. | shaft |
| farmac. | pessary |
| fin. | pit |
| industr. constr. | frame |
| med. | frenulum; frenum; orthodontic band |
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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 | |||
| diatomic oxygen | |||
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oxygen : 19 a las frases, 7 temas |
| Ambiente | 2 |
| Ciencias de la tierra | 2 |
| Electrónica | 3 |
| Metalurgia | 6 |
| Química | 3 |
| Tecnología | 1 |
| Transporte | 2 |