life span

A form of lifespan — The length of time for which an organism lives.

Meanings

nounlife span (plural life spans)

plural life spans

  1. alternativeAlternative spelling of lifespan.

    The working life span of a passenger carriage, on average, is between 30 and 35 years, so a steady replacement takes place quite naturally. The life span of a station, however, cannot be so easily reckoned, for it depends largely on the rehabilitation and upkeep of the existing structures.

    1962 October, Brian Haresnape, “Focus on B.R. passenger stations”, in Modern Railways, page 250
Cite this entry
APA

life span. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/life%20span

MLA

“life span.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/life%20span. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “life span,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/life%20span.

Source: life span on Wiktionary, CC BY-SA 4.0.