Olive

I. The olive-tree. 2. The fruit of the olive-tree. 3. The Olivary Body, a. v. O.-oil, Oleum olivarce; Sweet Oil, Salad Oil; the oil expre ed from the fruit of Olea europcea. The purest oil is nearly inodorous, pale-yellow, with a pure oily taste, and a specific gravity of.918 at 150 C. It does not decompose or become rancid easily, and congeals at 320 F. to a granular solid ma . It is used extensively as an article of food or condiment, in pharmacy, as an illuminant and lubricant, in soap-making, and as a cathartic in the place of castor oil.