steampunk

or steam punk, steam-punk

[ steem-puhngk ]
/ ˈstimˌpʌŋk /

noun

a subgenre of science fiction and fantasy featuring advanced machines and other technology based on steam power of the 19th century and taking place in a recognizable historical period or a fantasy world.
a subculture inspired by this literary and film subgenre: the fashions and gadgets of steampunk.

Origin of steampunk

First recorded in 1985–90; modeled on cyberpunk
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for steampunk