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Beginner's Dictionary
       

ex·pi·ra·tion

expiration

 
pronunciation:
ek sp reI shn
features:
Word Builder
part of speech: noun
definition: the last time something can be used.
I must get a new driver's license before the expiration of my old one.
Word Builder: expiration +
  • expiration date:
    the last day on which something can be used. An expiration date is often printed on food or medicine packages.