jet-, -ject, -jecting, -jected, -jection, -jector, -jectory; jacu-, jac-
(Latin: throw, send, fling, hurl, cast; gush; spurt)
2. A thermal jet engine.
2. Etymology: from Latin trajectus; past participle of tracere, "to cast, to throw over" or "to throw across"; from tra-, a variant of trans- + -jec-, a combining form of jacere, " to throw".
2. The way in which a process or event develops over a period of time representing the long-term behavior of a procedure.
3. The path followed by a seismic wave as during an earthquake.
2. A jet aircraft that has turbofan engines.
A type of gas turbine in which the fan driving air into a turbojet also forces additional air around the outside of the turbine, combining it with the exhaust of the turbojet to provide thrust.
Turbofans are quieter than simple turbojets and somewhat more fuel efficient, and are widely used in commercial aircraft.
2. A jet engine with a gas turbine that uses exhaust gases to provide the propulsive thrust for an aircraft.
An aircraft employing such an engine; the earliest form of jet aircraft in the late 1930s.