steam power

Definitions

1. Power derived from water heated into steam, usually converted to motive power by a reciprocating engine (a steam engine) or turbine (a steam turbine).
   uncountable
2. A means of transportation, or heavy equipment, based on such power, especially steamboats, steamships, or steam trains.
   uncountable

Equivalents

Examples

“The pistons are driven by steam power.”

“Before the diesel locomotive, steam power was king.”

CEFR level