- 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.
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Words nearby sustainer
Example sentences from the Web for sustainer
Over the same period, the market capitalization of sustainers dropped by a similar amount.Wall Street’s fixation on quick profits wreaking havoc in the ‘real’ economy, report says|Christopher Ingraham|April 2, 2021|Washington Post
A suffocating silence filled the Sustainer Theater on LSA Anaconda in Iraq.The Names You Don’t Hear: Nearly 200 Women Have Died in Iraq and Afghanistan|Kate Hoit|May 26, 2014|DAILY BEAST
Not only is the sun the giver and sustainer of life, but it is also the light that lighteth every man that cometh into the world.Communism and Christianism|William Montgomery Brown
To whom belongs this rôle of educator, protector, sustainer?Elements of Morals|Paul Janet
He was not denying any 'All-embracer and All-sustainer,' for he knew of none such.Is Life Worth Living?|William Hurrell Mallock
The people of Crete adored her as the Great Mother, more especially in her signification as the sustainer of the vegetable world.Myths and Legends of Ancient Greece and Rome|E.M. Berens
He was the sustainer of the universe, the lawgiver, the god of moral rectitude, and the sublime sovereign of gods and men.Indian Myth and Legend|Donald Alexander Mackenzie