ullage motor

noun

A small, auxiliary rocket engine or motor onboard a spacecraft that provides enough acceleration to settle propellant in a tank.

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Meanings

nounullage motor (plural ullage motors)

plural ullage motors

  1. aerospaceA small, auxiliary rocket engine or motor onboard a spacecraft that provides enough acceleration to settle propellant in a tank.
Cite this entry
APA

ullage motor. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/ullage%20motor

MLA

“ullage motor.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ullage%20motor. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “ullage motor,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/ullage%20motor.

Source: ullage motor on Wiktionary, CC BY-SA 4.0.