| 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)
출처: wordnet.princeton.edu/perl/webwn
|
|---|---|
| half-life |
The time needed for one-half of a given amount of radioactive substance to decay.
출처: highered.mcgraw-hill.com/sites/0072549238/student_...
|
| half-life |
The time required for the level of a substance in the body (eg, a drug or toxin) to be reduced by half.
출처: www.peteducation.com/dict_alpha_listing.cfm
|
| half-life |
The length of time in which one-half of the nuclei of an unstable isotope of an element decay into smaller nuclei (releasing energy).
출처: www.modernhumanorigins.com/h.html
|
| half-life |
The time it takes for half of a drug dose to be eliminated from the bloodstream (or to be inactivated).
출처: www.thebody.com/hivnews/aidscare/dec97/pullout.htm...
|