| Main Entry: | life expectancy |
| Part of Speech: | noun |
| Definition: | period of a being's existence |
Synonyms: |
all one's natural life, expectation of life, life cycle, life span, life's duration, lifetime, longevity, period of existence |
| Main Entry: | life span |
| Part of Speech: | noun |
| Definition: | the extent of a being's life |
Synonyms: |
life cycle, life expectancy, lifetime |