TURPENTINE

A viscid exudation from certain trees, either spontaneously formed upon the bark, or obtained by incision. Common turpentine is the produce of certain species of Pinus, or fir trees. When distilled with water it yields a limpid volatile oil (oil of turpentine), and yellow resin remains in the still. TURPETH M1N ERA L. (From its yellow colour, which resembles the powdered root of the Convolvulus turpethum.) The yellow sub persulphate of mercury. [s. 1294]