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| selenium A highly toxic, nonmetallic element; used in analytical chemistry, metallurgy, and photoelectric cells | |||
| selenium | |||
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selenium : 24 a las frases, 9 temas |
| Agricultura | 1 |
| Antenas y guías de onda. | 1 |
| Construcción | 1 |
| Electrónica | 3 |
| Estudios culturales | 1 |
| General | 1 |
| Industria | 1 |
| Medicina | 3 |
| Química | 12 |