Internal-combustion engine and Internal combustion engine

Internal-combustion engine noun - 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.

Internal combustion engine and internal-combustion engine are semantically related. In some cases you can use "Internal combustion engine" instead a noun phrase "Internal-combustion engine".

Internal-combustion engine and internal combustion engine are semantically related. Sometimes you can replace phrase "Internal-combustion engine" with "Internal combustion engine", this phrases are similar.