Thesaurus: 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)
Related headwords
halfdefinitiontimedefinitionatomsdefinitiondisintegratedefinitionfalldefinitioninitialdefinitionparticulardefinitionradioactivedefinitionrequireddefinitionsomethingdefinitionsubstancedefinitionvaluedefinitionhalf cross stitchfamilyhalf crownfamilyhalf dollarfamilyhalf doorfamilyhalf dozenfamilyhalf eaglefamilyhalf gfamilyhalf gainerfamilyhalf hatchetfamilyhalf hitchfamilyhalf maskfamilyhalf milefamilyhalf nelsonfamilyhalf notefamilyhalf pagefamilyhalf poundfamily
Definitions
- n. 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)