Definition of "passive smoking" []

• The involuntary inhalation of tobacco smoke by a person, especially a nonsmoker, who occupies an area with smokers or a smoker. Also called passive inhalation. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.