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| protón m | |||
| proton m | |||
| el núcleo positivo de un átomo, alrededor del cual gravitan los electrones | |||
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proton : 33 phrases in 12 subjects |
| Chemistry | 3 |
| Earth sciences | 8 |
| Electronics | 2 |
| Energy industry | 1 |
| Environment | 2 |
| Health care | 1 |
| Life sciences | 3 |
| Measuring instruments | 2 |
| Natural sciences | 4 |
| Physical sciences | 3 |
| Physics | 1 |
| Technology | 3 |