smokestack

UK: /ˈsməʊkstæk/ US: /ˈsmoʊkˌstæk/ ,(smōk′stak′)

WordReference Random House Learner's Dictionary of American English © 2025

smoke•stack /ˈsmoʊkˌstæk/   n. [countable]

1. a pipe for the escape of the smoke of something burned, as in a factory.

adj. 

2. of or relating to a basic heavy industry, as automaking:
   smokestack companies.

WordReference Random House Unabridged Dictionary of American English © 2025

smoke•stack  (smōk′stak′), n. 

1. Also called stack. a pipe for the escape of the smoke or gases of combustion, as on a steamboat, locomotive, or building.

adj. 

2. pertaining to, engaged in, or dependent on a basic heavy industry, as steel or automaking:
   smokestack companies.

• smoke + stack 1855–60

Collins Concise English Dictionary © HarperCollins Publishers::

smokestack / ˈsməʊkˌstæk/ noun

1. a tall chimney that conveys smoke into the air