A class of boron compound of general formula [(CH)a(BH)mHb]c where c can be positive, negative or zero. The CH groups occupy polyhedron vertices, and other hydrogen atoms are either bridging or terminal.
The contraction 'carboranes' is also well established as the generic name for this class of compound.
Red Book, p. 228
PAC, 1995, 67, 1307 (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1326