[ smohk-out ]
/ ˈsmoʊkˌaʊt /
a day during which smokers are encouraged to abstain from smoking as part of a campaign to emphasize the hazards of the practice.
Origin of smokeout
patterned on phrasal verbs with out as a perfective particle, as put out, stamp out, etc.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019