| NOUN | object | beta particle | a high-speed electron or positron emitted in the decay of a radioactive isotope |
|---|
| Meaning | A high-speed electron or positron emitted in the decay of a radioactive isotope. | |
|---|---|---|
| Broader | particle, subatomic particle | A body having finite mass and internal structure but negligible dimensions |
| Spanish | partícula beta | |
| Catalan | partícula beta | |
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