roue de réactioncommon nounSyllable Decompositionroue de réactionEtymologyexpandDefinition1. Mechanical device, consisting of a balanced mass that can be accelerated or decelerated in rotation around an axis, in one direction or the other, which allows for the fine orientation control of a spacecraft by the effect of the action and reaction torque created between the wheel and the spacecraft.expandTranslationsenglish:momentum wheel
english:momentum wheel