binary compound

from Wiktionary, Creative Commons Attribution/Share-Alike License

• n. A chemical compound composed of only two elements.
• n. A compound composed of an element and a radical (a group of atoms that behave as one piece).

from the GNU version of the Collaborative International Dictionary of English

• adj. a compound of two elements, or of an element and a compound performing the function of an element, or of two compounds performing the function of elements.
• n. See under Binary.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• n. chemical compound composed of only two elements