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| half-life | |||
| physical half-life (time) | |||
| half-life period; radioactive half-life | |||
| radioactive halflife; period (of decay); half-value period; physical half-life (contrary to biological halflife, of a radionuclide or particle); decay period; disintegration period; radioactive half-period | |||
| radioaktive Halbwertzeit: 1 phrase in 1 subject |
| Chemistry | 1 |