Dictionary
life•time
Pronunciation: (līf'tīm"), [key]—
n.
1. the time that the life of someone or something continues; the term of a life:
peace within our lifetime.
2. Physics.See
mean life.
—
adj.
for the duration of a person's life:
He has a lifetime membership in the organization. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.