Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun internal-combustion_engine

1 sense of internal-combustion engine

Sense 1
internal-combustion engine, ICE -- (a heat engine in which combustion occurs inside the engine rather than in a separate furnace; heat expands a gas that either moves a piston or turns a gas turbine)
       => heat engine -- (any engine that makes use of heat to do work)