The power of steam applied to move machinery or produce any other result.(noun)
The Century Dictionary (Public Domain)
Use "steam-power" in a sentence
"They're also close in their settings and characters (impossibly advanced steam-power society, scrappy boy and girl turn out to be wiser than the power-mad adults)."
"A house, centuries old, deserted and falling to pieces, its woods and gardens long since grass-land or ploughed up, the Rivers Ribble and Darwen glancing below it, and a vague haze of smoke, against which not even the supernatural prescience of the first Stuart could foresee a counter-blast, hinting at steam-power, powerful in two distances."
"But the great fact, compared with which all others pale into insignificance, was that we were the first to use steam-power and machinery."