Learning / English Dictionary

HALF LIFE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

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)

Synonyms:

half-life; half life

Classified under:

Nouns denoting time and temporal relations

Hypernyms ("half life" is a kind of...):

period; period of time; time period (an amount of time)

Credits

 Context examples: 

The HPMA-based drug delivery system enhances the concentration of DACH-Pt at the tumor site and prolongs the half life of the agent, thereby increasing exposure and efficacy at the target tumor sites while minimizing side effects in normal tissues.

(DACH Polymer Platinate AP5346, NCI Thesaurus)