Brown, sticky mass formed when tobacco smoke condenses.
Complex oily mixtures derived from coal or wood (pine). Prolonged exposure to some crude tars occupationally may lead to multiple cutaneous warty lesions (pitch warts). Squamous carcinoma may supervene. More refined extracts of tar are used in dermatological therapy, especially in psoriasis.
A dark, viscid mass of complex chemicals obtained by destructive distillation of tobacco, coal, shale, and organic matter, especially wood from pine and juniper trees.
A sticky, black substance in tobacco smoke that coats the inside of the airways and that contains many carcinogens.
Black, sticky substance from tobacco smoke that builds up in the lungs and promotes cancer development.
The dark, sticky mixture of chemicals that is formed when tobacco burns.
Coal tar is a dense, adhesive liquid derived from organic sources like peat, coal, or wood. It finds application as an ingredient in certain skin products designed to treat conditions like psoriasis and eczema, as well as in specific soaps and shampoos.
Residues of tar resulting from the combustion of tobacco in cigarette smoke accumulate as deposits within the lungs of smokers.