Definition of passive smoking in US English:
 passive smoking
nounˈpasiv smōkiNGˈpæsɪv smoʊkɪŋ
The involuntary inhaling of smoke from other people's cigarettes, cigars, or pipes.
 children are more susceptible to the effects of passive smoking
 Example sentencesExamples
-  The most important indoor source of these pollutants is active or passive smoking in study areas.
 -  A British Medical Journal study showed passive smoking kills more than 11,000 people a year in the Britain.
 -  Do not let anyone smoke in the same room as your baby - passive smoking is thought to double the risk of SIDS.
 -  The limits of epidemiology were stretched when it was demonstrated that passive smoking caused lung cancer.
 -  The act of breathing in this secondary smoke is called passive smoking.
 -  However, the evidence for the health effects of passive smoking is neither as consistent nor as iron clad as Thun wants to portray it.
 -  What they do not say is that, in a situation analogous to passive smoking, children who do not work can also have occupational diseases.
 -  Even if they benefit smokers, such cigarettes would not prevent passive smoking.
 -  I cannot see how employees could suffer from passive smoking as they do not use the room in the evening.
 -  However, this is a promising strategy if we really want to know whether passive smoking increases the risk of various diseases.
 -  Before the 1990s, awareness of the danger of passive smoking was lower and smokers smoked freely at home.
 -  Most studies on passive smoking have examined the risks of living with someone who smokes.
 -  Existing evidence is already sufficient to implicate passive smoking as a cause of lung cancer and coronary heart disease.
 -  The two health visitors researched information and evidence about passive smoking and the effect it had on children.
 -  There is legitimate debate about the effects of passive smoking on heart disease and lung cancer.
 -  How much reliance do we place on this new data on passive smoking and snoring in adults?
 -  In 1981 an influential Japanese study showed an association between passive smoking and lung cancer.
 -  This study supports the use of cotinine as an appropriate marker for passive smoking.
 -  The proportion of passive smoking at home was slightly higher among nonatopic workers.
 -  Policies that ban smoking in public places are effective in reducing passive smoking among non-smokers generally.