exophthalmic,a.Path.|ɛksɒfˈθælmɪk| [f. exophthalm-us + -ic.] Of, pertaining to, or characterized by exophthalmus. 1878T. Bryant Pract.Surg. I. 191 The exophthalmic goitre..or Basedow's disease.1889Med.Jrnl. 28 Sept. 720/2 Rapid action of the heart—in exophthalmic goitre.