noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A simple jet engine consisting essentially of a tube with a means of delivering fuel and ignition into the tube. The engine can only be started in a fast airflow. This type of engine is expected to be able to provide cruising speeds at Mach numbers of around 5 to 7 (5 to 7 times the speed of sound).
2. 2
   a simple type of jet engine; must be launched at high speed wordnet

Synonyms

All synonyms

atherodydeflying drainpiperamjetramjetramjet engine

Etymology

Shortened form of aerothermodynamic duct.

Related phrases

mach number

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.