1. 
   passive smoking
   Inhalation of sidestream smoke by people who do not smoke themselves. See also sidestream smoke
   Found op http://sis.nlm.nih.gov/enviro/iupacglossary/glossaryp.html
   
   
2. 
   Passive Smoking
   Means breathing in other people's cigarette, pipe or cigar smoke when you don't smoke yourself. Passive smoking can cause lung cancer in people who don't smoke. Often affects people who work in very smoky atmospheres such as pubs and clubs. But they are still much less likely to get lung cancer than...
   Found op http://www.cancerhelp.org.uk/utilities/glossary/index.htm?search=p
   
   
3. 
   Passive smoking
   Breathing in someone else`s tobacco smoke
   Found op http://www.makingsenseofhealth.org.uk/default.html?section=Secondary&chapte
   
   
4. 
   Passive smoking
   a non-smoker inhaling the cigar, cigarette, or pipe smoke of others (called second-hand smoke) in the same area, which increases the non-smoker's risk of cancer and respiratory disorders
   Found op http://www.medichecks.com/glossary.cfm?ltr=P
   
   
5. 
   Passive smoking
   Passive smoking: The inhaling of environmental tobacco smoke (ETS) by someone who is not smoking. See: ETS.
   Found op http://www.medterms.com/script/main/art.html?articlekey=13418
   
   
6. 
   passive smoking
   (from the article `lung cancer`) Passive inhalation of cigarette smoke (sometimes called secondhand smoke) is linked to lung cancer in nonsmokers. In the early 1990s it was estimated ...
   Found op http://www.britannica.com/eb/a-z/p/26
   
   
7. 
   Passive smoking
   The term passive smoking refers to the inhalation, usually involuntary, of second-hand smoke from tobacco products by non-smokers or persons other than the intended `active` smoker. It occurs when tobacco smoke permeates any environment, causing its inhalation by people within that environment. Exp...
   Found op http://en.wikipedia.org/wiki/Passive_smoking
   
   
8. 
   Passive Smoking
   A mixture of the smoke given off from a lit cigarette, pipe, cigar or smoke that is exhaled from the lungs of a smoker. Nonsmokers do inhale the smoke and it remains in the air for a period of time after cigarettes have been put out. Secondhand smoke can cause a wide range of health problems, includ...
   Found op http://www.pregnology.com/AZ/P/1
   
   
9. 
   passive smoking
   Inhalation of tobacco smoke from other people's cigarettes; see smoking
   Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0033671.html
   
   

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