plural of tar-boil

plural of tar pit

tar produced by destructive distillation of wood

A substance (liquid when heated) derived from dry distillation of birch bark, and composed of phenols such as guaiacol, cresol, xylenol and creosol.

A fungal disease affecting various plants and causing dark spots on leaves.

(simile) Very slow.

plural of tar water

(historical) A cold infusion of tar in water, once used as a medicine for chest complaints.

A thick liquid or pitch-like form of tar.

(botany, medicine) A liquid used topically in the treatment of skin diseases and obtained by distillation from the wood of trees of the species Juniperus oxycedrus (western prickly juniper), of the Mediterranean and the Middle East.