Half Life. The term is also used more generally to characterize any type of exponential or non exponential decay. The symbol for half life is t.
Set between the events of half life and half life 2 alyx vance and her father eli mount an early resistance to the combine s brutal occupation of earth. Half life stylized as hλlf life is a science fiction first person shooter developed and published by valve. The half life of a drug is an estimate of the period of time that it takes for the concentration or amount in the body of that drug to be reduced by exactly one half 50.
The term is also used more generally to characterize any type of exponential or non exponential decay.
English language learners definition of half life. Plural half lives ˌlīvz. One of the most well known applications of half life is carbon 14 dating. Half life symbol t 1 2 is the time required for a quantity to reduce to half of its initial value the term is commonly used in nuclear physics to describe how quickly unstable atoms undergo radioactive decay or how long stable atoms survive.
