propulsion C1 Topic:Transportation US /prəˈpʌl.ʃən/ UK /prəˈpʌl.ʃən/ See IPA manual Freq #16905 Meanings 1 noun the action or process of driving something forward The squid moves by propulsion, forcing water through a narrow opening. 2 noun a force, system, or means that makes a vehicle or object move The spacecraft uses electric propulsion for long journeys. Thesaurus Synonyms 1 noun · the action or process of... propellingdrivingthrust 2 noun · a force, system, or means... motive forcethrustdrive Word family Derived forms propulsivepropulsivelyretropropulsion Related forms propelimpel Common collocations jet propulsion Noun + noun Etymology Borrowed in the seventeenth century from Medieval Latin propulsio, 'a driving out or urging on,' formed from Latin propellere, 'to push or thrust forward.' Topics Transportation External links Cambridge Dictionary Wiktionary Google Images # propulsion **Type:** Word **Level:** C1 **Part of speech:** noun **IPA (US):** /prəˈpʌl.ʃən/ **IPA (UK):** /prəˈpʌl.ʃən/ **Frequency rank:** 16905 ## Meanings 1. the action or process of driving something forward 2. a force, system, or means that makes a vehicle or object move ## Examples - The squid moves by propulsion, forcing water through a narrow opening. - The spacecraft uses electric propulsion for long journeys. ## Synonyms - propelling - thrust - motive force - drive ## Derived Forms - propulsive - propulsively - retropropulsion ## Related Forms - propel - impel ## Etymology Borrowed in the seventeenth century from Medieval Latin propulsio, 'a driving out or urging on,' formed from Latin propellere, 'to push or thrust forward.' ## Topics - Transportation markdown