lifespan meaning
EN- NounPLlifespans
- The length of time for which an organism lives.
- Last spring, the periodical cicadas emerged across eastern North America. Their vast numbers and short above-ground life spans inspired awe and irritation in humans—and made for good meals for birds and small mammals.
- (by extension) The length of time for which something exists or is current or valid.
- The length of time for which an organism lives.
- More Examples
- Used in the Middle of Sentence
- Or how beings such as ourselves—such as you now are— with lifespans measured in centuries and strength and endurance far beyond that of Terra- born humans, could decivilize so utterly?
- Used in the Middle of Sentence
Definition of lifespan in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Countable nouns
- Nouns
- en lifespans
Source: Wiktionary
Grammatically, this word "lifespan" is a noun, more specifically, a countable noun.