tar (redirected from Tar (viscous liquid))

tar (tahr) a dark-brown or black, viscid liquid obtained from various species of pine or from bituminous coal (coal t.). It is used for topical treatment of skin conditions, including eczema, psoriasis, and dandruff, but is toxic and carcinogenic by inhalation or ingestion.

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tar

a dark-brown or black, viscid liquid obtained from various species of pine or from bituminous coal. See also wood tar derivatives.

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coal tar

see coal tar.

coal tar pitch

see coal tar pitch.

tar derivatives

include phenol (carbolic acid), cresols, creosote, all potent poisons. See also wood tar derivatives.

hot tar

a cause of burns in dogs and cats, usually made more severe because it sticks to the skin.

juniper tar

a volatile oil obtained from wood of Juniperus oxycedrus; used topically in the treatment of skin disease.

pine tar

a product of destructive distillation of the wood of various pine trees; used as a rubefacient and treatment for skin disease.

tar pitch

see coal tar pitch.

Stockholm tar

see stockholm tar.