[ex.tra.ne.ous] adj [L extraneus--more at strange] (1638) 1: existing on or coming from the outside
2. a: not forming an essential or vital part "~ ornamentation" b: having no relevance "an ~ digression"
3: being a number obtained in solving an equation that is not a solution of the equation "~ roots" syn see extrinsic -- ex.tra.ne.ous.ly adv -- ex.tra.ne.ous.ness n