An oily substance, reportedly C₈H₁₄ and probably a mixture of octadienes, obtained from several derivatives of conine

The extraction of teeth.

(Catholicism, historical) One of the orders of the Catholic Church lower than the major orders (diaconate and priesthood); i.e. the order of acolyte, exorcist, lector or porter.

(organic chemistry) An polyunsaturated fatty acid, having 18 carbon atoms and three double bonds, essential for human nutrition; it is found in linseed and other vegetable oils