ПОЛУРАСПАД noun
Полураспад период полураспада
Synset
Interlingual Index
                                                                [Wordnet definition: the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)]
                                                            
                                                        hypernym
            [RuThes concept: промежуток времени]
        
    related
            [RuThes concept: радиоактивные материалы]