Meaning Of The Word Half-life
What's the definition of Half-life? Find Half-life meanings, definitions and more at the Real Dictionary online.
Half-life Meaning
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What's The Definition Of Half-life?
half-life
countable noun: The half-life of a radioactive substance is the amount of time that it takes to lose half its radioactivity. half-life in American English the constant time period required for the disintegration of half of the atoms in a sample of some specific radioactive substance noun: the time required for one half the atoms of a given amount of a radioactive substance to disintegrate half-life in British English noun: the time taken for half of the atoms in a radioactive material to undergo decay |
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