Search Result for "lifespan": 
Wordnet 3.0

NOUN (1)

1. the period during which something is functional (as between birth and death);
- Example: "the battery had a short life"
- Example: "he lived a long and happy life"
[syn: life, lifetime, life-time, lifespan]



WordNet (r) 3.0 (2006):

lifespan
    n 1: the period during which something is functional (as between
         birth and death); "the battery had a short life"; "he lived
         a long and happy life" [syn: life, lifetime, life-
         time, lifespan]