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Meaning of HALF-LIFE

Pronunciation:  haf lIf

 
WordNet Dictionary
 
 Definition: 
  1. [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)
  2. [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)
 

HALF-LIFE is a 9 letter word that starts with H.

 

 Synonyms: half life, half-life
 
 See Also: period, period of time, time period

 

 

Biology Dictionary
 
 Definition: 
  1. The time it takes one half of a given material (such as a radioactive isotope or a pesticide) to decay or disappear.
    1. The period of time required for half of the quantity of a radioactive substance to decay, to transform into a different substance (which may also be radioactive), to disintegrate, or to be eliminated from a biological system or ecological system.
    2. The period of time required for half of the reactants involved in a chemical reaction to turn into products or be otherwise affected by the reaction.
 
Glossary
 
 Definition: the time taken for half the quantity of a radioactive isotope in a sample to decay (see also radioactive decay).
 
Thesaurus Terms
 
 Related Terms: activity, artificial radioactivity, contamination, curiage, decontamination, fallout, natural radioactivity, nuclear radiation, radiant energy, radiation, radioactive radiation, radioactivity, radiocarbon dating, radiolucency, radiopacity, radiosensibility, radiosensitivity, saturation point, specific activity
 

 

 

 

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