Sustainer



noun
1.
a person or thing that sustains.
2.
Rocketry.

any stage of a multistage rocket or guided missile that sustains flight after the burnout of the booster.
the rocket engine or cluster of engines contained in such a stage.

noun
1.
a rocket engine that maintains the velocity of a space vehicle after the booster has been jettisoned

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  • Sustaining

    verb (used with object) 1. to support, hold, or bear up from below; bear the weight of, as a structure. 2. to bear (a burden, charge, etc.). 3. to undergo, experience, or suffer (injury, loss, etc.); endure without giving way or yielding. 4. to keep (a person, the mind, the spirits, etc.) from giving way, […]

  • Sustaining-program

    noun 1. a radio or television program without a commercial sponsor. sustaining program noun 1. (US & Canadian) a television or radio programme promoted by the broadcasting network or station itself and not by a commercial sponsor



  • Sustainment

    verb (used with object) 1. to support, hold, or bear up from below; bear the weight of, as a structure. 2. to bear (a burden, charge, etc.). 3. to undergo, experience, or suffer (injury, loss, etc.); endure without giving way or yielding. 4. to keep (a person, the mind, the spirits, etc.) from giving way, […]

  • Sustenance

    noun 1. means of sustaining life; nourishment. 2. means of livelihood. 3. the process of sustaining. 4. the state of being sustained. noun 1. means of sustaining health or life; nourishment 2. means of maintenance; livelihood 3. Also sustention (səˈstɛnʃən). the act or process of sustaining or the quality of being sustained



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