epanadiplosis (ep"anadiplosis)

[LL., ἠώς, dawn, + θηρίον, a wild beast.] A genus of fo il sirenians, founded upon the cast of a brain from nummulitic limestone of Eocene age, in Egypt, near Cairo. E. ægyptiacum is notable as the oldest known form of the Sire nia. -eous. [See- ous, -aceous, and the words mentioned below.] A termination consisting of with a preceding original or inserted vowel. Compare -ious. It occurs in cretaceous, sebaceous, etc. (See -aceous.) In some words it is a false spelling of -ious, as in calcareous (Latin calcar i us ), beauteous, duteous (properly * beautious, * dutious ); in hideous it is a substitute for -ous, and in gorgeous an accommodation of a different termination. In righteous, and the occasional wrongeous, wrongous, it is a perversion of the original- wis. See the words mentioned. eozoic (ē-ō-zō'ik), a. [