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Half-life - Dictionary Definition and Overview |
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Half-life : (noun)
1: 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) [syn: half life]
Based on WordNet 2.0
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Half-life : The time required for half of a reactant to be converted into product(s). The time required for half of a given sample to undergo radioactive decay.
Based on WordNet (r) 2.0 (August 2003)
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