azo-

from The Century Dictionary.

• A curt form of azote in compounds.
• noun Same as azo-, used adjectively without the hyphen.

from the GNU version of the Collaborative International Dictionary of English.

• Applied loosely to compounds having nitrogen variously combined, as in cyanides, nitrates, etc.
• Now especially applied to compounds containing a two atom nitrogen group uniting two hydrocarbon radicals, as in azobenzene, azobenzoic, etc. These compounds furnish many artificial dyes. See diazo-.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• prefix chemistry containing nitrogen
• prefix organic chemistry Having a bivalent azo group (-N=N-) as a substituent

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

• adjective relating to or containing the azo radical