cubo-|ˈkjuːbəʊ|before a vowel sometimes cub-|kjuːb|, combining form from Gr. κύβος die, cube: as in † cubo-cube[Gr. κυβόκυβος], a name for the sixth power of a quantity, or the cube multiplied by itself; so † cubo-ˈcubic; † cubo-cubo-cube, the ninth power; cubo-ˈcuneiform (Anat.), relating to the cuboid and cuneiform bones = cuneocuboid; also in Solid Geom. and Cryst., denoting a solid which combines the forms of a cube and another solid, as cubo-octaˈhedron (cuboctahedron), a solid of fourteen faces formed by cutting off the corners of a cube, so as to add eight triangular faces corresponding to those of an octahedron, or by similarly modifying an octahedron in the direction of a cube; sometimes restricted to the middle or critical case in which the square faces are reduced to smaller squares; so cubo-octaˈhedrala., cubo-dodecaˈhedron, -al.1696in Phillips, Cubocubic.1706― Cubo-Cube..the sixth power of any Number.1727–51Chambers Cycl., Cubo⁓cubus, the term whereby Diophantus, Vieta, etc. distinguish the sixth power.1796Hutton Math.Dict., Cubo-cube, the 6th power. Cubo-cubo-cube, the 9th power.1805–17R. Jameson Char.Min. (ed. 3) 203 A crystal is said to be cubo-dodecahedral, cubo-octahedral, cubo-tetrahedral, when it contains a combination of the two forms indicated by these terms.1868Dana Min.Introd. 22 (Crystallography) Some of the simpler isometric forms..a cube..combination of cube and dodecahedron..cubo-octahedron.1876Quain's Anat. (ed. 8) I. 178 Cubo-cuneiform Articulation.