| 释义 |
pro·pul·sion
\prəˈpəlshən, prōˈ-\ noun
(-s)
Etymology: Latin propulsus (past participle of propellere to drive away, propel) + English -ion — more at propel
1. obsolete : the action of driving out or forth : expulsion, ejection
2. : the action of driving forward or ahead : action or process of propelling
< propulsion of ships by steam turbine >
< problems of rocket propulsion >
3. : something that propels : a driving or inciting force or influence
< in the propulsion and in the excitement that can be provoked by forceful and expert pianists — Arthur Berger >
4. : tendency to fall forward in walking (as in paralysis agitans) |