life·time (l f tm )n. 1. The period of time during which an individual is alive. 2. The period of time during which property, an object, a process, or a phenomenon exists or functions. |
lifetime
for the duration of the animal's (usually productive) life.
average lifetime performance
total of production data divided by the number of years of records.
How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
| ?Page tools | ||
|---|---|---|
|