a nuclear reactor using heavy water as the moderator, light water (H2O) as the coolant, and uranium oxide cased in zirconium alloy as the fuel SGHWR
noun 1. a hammer for forging, operated by steam.
noun 1. heat obtained by the circulation of steam in pipes, radiators, etc.
[steem-hee-tid] /ˈstimˈhi tɪd/ adjective 1. heated by steam.
noun 1. a heating system utilizing steam circulated through radiators and pipes.