Associations to the word «Lifespan»

Wiktionary

LIFESPAN, noun. The length of time for which an organism lives.
LIFESPAN, noun. (by extension)   The length of time for which something exists or is current or valid.

Dictionary definition

LIFESPAN, noun. 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".

Wise words

To use the same words is not a sufficient guarantee of understanding; one must use the same words for the same genus of inward experience; ultimately one must have one's experiences in common.
Friedrich Nietzsche