Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: steam engine  steem en-jun
  1. External-combustion engine in which heat is used to raise steam which either turns a turbine or forces a piston to move up and down in a cylinder

Derived forms: steam engines

Type of: external-combustion engine

Part of: steam locomotive, steamer, steamship

Encyclopedia: Steam engine