useful life
noun
The (expected) period of time in which a device, vehicle, structure, etc., is productive or in use.
Origin
Mid 19th century.
- astroblast
- astrobleme
- astrobotanist
- astrobotany
- astrochemical
- astrochemist
- astrochemistry
- astrochronological
- astrochronology
- astrocompass
- astrocyte
- astrocytic
- astrocytoma
- astrodome
- astrodynamics
- astroengineering
- astro-fix
- astrogate
- astrogation
- astrogator
- astrogeny
- astrogeodesy
- astrogeodetic
- astrogeologist
- astrogeology