HALF-LIFE


Meaning of HALF-LIFE in English

also half life

( half-lives)

The half-life of a radioactive substance is the amount of time that it takes to lose half its radioactivity.

N-COUNT

Collins COBUILD Advanced Learner's English Dictionary.      Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне.