sustainer (English, noun)
expansion: sustainer (plural sustainers)
Senses:
glosses: A person or thing that sustains.
topics: aeronautics
aerospace
business
engineering
natural-sciences
physical-sciences
glosses: A rocket engine that remains with a spacecraft during its ascent after the separation of the booster engines.
glosses: A person who makes regular donations, especially to a public radio or television station.
tags: US
glosses: A radio program without a commercial sponsor.
tags: US
obsolete
Forms:
form: sustainers
tags: plural