Etymology
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smokestack (n.)

also smoke-stack, 1833, from smoke (n.1) + stack (n.).

updated on October 20, 2013

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Definitions of smokestack from WordNet

smokestack (n.)
a large tall chimney through which combustion gases and smoke can be evacuated;
Synonyms: stack
From wordnet.princeton.edu, not affiliated with etymonline.