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Intermediate Dictionary
     

life·time

lifetime

 
 
pronunciation:
laIf taIm
features:
Word Combinations (noun)
part of speech: noun
definition 1: the time during which a person's life goes on.
She hoped to do many things during her lifetime.
similar words:
age, life
definition 2: the length of time something is expected to work well.
The battery has a lifetime of four years.
similar words:
life
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