Plain English Meaning
An engine that runs on a continuous flow of burning gas. It sucks in air, squeezes it, burns fuel in it, and uses the rush of hot gas to spin a wheel that keeps the engine running and produces thrust or shaft power.
Full Definition
An engine that produces power by drawing in air, compressing it, mixing it with fuel and igniting the mixture, then directing the resulting hot, expanding gases through a turbine wheel that extracts energy to drive the compressor and, depending on the design, a propeller, a fan, a rotor, or a jet exhaust nozzle.
Context Anchor
Pilots encounter turbine engines in jet, turboprop, turboshaft, and turbofan aircraft, and in engine-start, power-setting, fuel, and temperature-limit discussions.
Derivation
From the Latin 'turbo,' meaning a spinning or whirling thing. The defining part of the engine is the turbine wheel — a fan-like disc spun by hot gases. The whole engine is named after it.
Why Pilots Care
Turbine engines power most commercial and many general aviation aircraft, offering high power-to-weight ratios and reliable performance at altitude.
Grounding Statement
Picture air being pulled in, squeezed, mixed with fuel, burned, and then rushed across a spinning wheel that turns the engine.
Intuition Check
A turbine engine is not always a pure jet engine with no propeller. A turboprop is also a turbine engine; it uses the turbine’s power mainly to turn a propeller.
Example Sentence 1
The pilot followed the start checklist carefully, watching the temperature gauge closely as the turbine engine spooled up.
Example Sentence 2
During cruise the turbine engine maintained efficient thrust while the aircraft flew at 35,000 feet.