A type of jet engine that uses a fan to circulate air, producing thrust more efficiently than earlier turbojets.
Compound of 'fan' and 'jet,' a 20th-century aviation term. The word emerged in the 1950s-60s when turbofan engines were being developed and needed new terminology.
Fanjet engines revolutionized aviation because they're quieter and more fuel-efficient than pure jets—most commercial planes today use fanjets, and they're so quiet that you can have conversations during takeoff compared to the old supersonic screams!
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