ПЕРИОД ПОЛУРАСПАДА noun
Период полураспада период полураспада
Synset
sytsets of components
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]