metaˈcinnameneChem. [See meta- 6 a.] (See quot. 1886.) 1857Miller Elem.Chem. iii. vii. §1 (1862) 560 Metacinnamene, or styracin.1886Athenæum 30 Jan. 172/3 Metacinnamene, a highly refracting glass-like solid, obtained by the action of light or heat upon cinnamene.