[ram-jet] 
| a jet engine operated by the injection of fuel into a stream of air compressed by the forward speed of the aircraft. |
| ram·jet (rām'jět') n. A jet engine that propels aircraft by igniting fuel mixed with air taken and compressed by the engine in a fashion that produces greater exhaust than intake velocity. |
| ramjet (rām'jět') Pronunciation Key
A cylindrical jet propulsion engine consisting of air intake and combustion chambers into which burning fuel is injected, forcing hot air out of the rear of the engine at high pressures to provide forward thrust. See Note at turbojet. |
