n15275094
type | n |
lex_filenum | 28 |
def | 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) |
Outgoing links | |
Hypernym | time period, period of time, period |
Incoming links | |
Hyponym | time period, period of time, period |
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