WordNet: half-life, half life
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 period, period of time, time period
half-life
- (suomi) puoliintumisaika (synonyymi)
half life
- (suomi) puoliintumisaika (synonyymi)