| 释义 | aeroduct
 aeroduct(ˈɛərəʊˌdʌkt) nan air ductaeroduct
 aeroduct[′e·rō‚dəkt]  (aerospace engineering) A ramjet type of engine designed to scoop up ions and electrons freely available in the outer reaches of the atmosphere or in the atmospheres of other spatial bodies and, by a metachemical process within the engine duct, to expel particles derived from the ions and electrons as a propulsive jetstream. |