Meaning of smokestack

smoke•stack

Pronunciation: (smōk'stak"), [key]
— n.
  1. Also calleda pipe for the escape of the smoke or gases of combustion, as on a steamboat, locomotive, or building.
—adj.
  1. pertaining to, engaged in, or dependent on a basic heavy industry, as steel or automaking: smokestack companies.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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