half-life
half
hɑ:f
haaf
life
laɪf
laif
halflife
half life

Definition & Meaning of "half-life"in English

Half-life
01

the time required for half of a quantity of a substance to undergo a change or decay, typically in the context of radioactive decay or chemical reactions 

Grammatical Information
Animacy status
Abstract
Composition
Compound
Countable
Plural form
half-lives
Examples
The half-life of a radioactive isotope determines the time it takes for half of the initial amount to decay into a stable product. 
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