engine
Nouns
- (n) motor that converts thermal energy to mechanical work
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(n) something used to achieve a purpose
- an engine of change
- (n) a wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracks locomotive, locomotive engine, railway locomotive,
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(n) an instrument or machine that is used in warfare, such as a battering ram, catapult, artillery piece, etc.
- medieval engines of war