sustainer in American English 1. a person or thing that sustains. 2. ( in rocketry)

noun · a person or thing that sustains. · Rocketry. any stage of a multistage rocket or guided missile that sustains flight after the burnout of the booster.

There are nine meanings listed in OED's entry for the noun sustainer, two of which are labelled obsolete. See 'Meaning & use' for definitions, usage, ...

4 дня назад · Synonyms: prop, support, mainstay, pillar, buttress, reinforcement, stanchion, supporter, stay, brace.

30 окт. 2020 г. · Definition. a source of stability or security. The actor provides energy and an anchor for his less experienced co-stars. Synonyms.

sustainer · advocate · angel · godparent · guaranty · mainstay · patron · supporter · surety.

Noun · A person or thing that sustains. · (aeronautics) A rocket engine that remains with a spacecraft during its ascent after the separation of the booster ...

1. a. To keep in existence; maintain, continue, or prolong: sustain an effort. b. To keep up (a joke or assumed role, for example) competently.

4 дня назад · SUSTAIN definition: 1. to cause or allow something to continue for a period of time: 2. to keep alive: 3. to suffer…. Learn more.