second hand smoke

secondhand smoke

noun
smoke from a cigarette, cigar, or pipe that is involuntarily inhaled, especially by nonsmokers.

Origin:
1975–80

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Medical Dictionary

secondhand smoke sec·ond·hand smoke (sěk'ənd-hānd')
n.
Cigarette, cigar, or pipe smoke that is inhaled unintentionally by nonsmokers and may be injurious to their health if inhaled regularly over a long period.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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