any of a large class of dyes containing one or more azo groups.
any of a class of artificial dyes that contain the azo group. They are usually red, brown, or yellow and are obtained from aromatic amines
- Azo radical
azo group. the bivalent group −N=N− united to two aromatic groups, as in azobenzene.
- Azo group
the bivalent group −N=N− united to two aromatic groups, as in azobenzene.
containing the azo group. a combining form used in the formation of compound words, especially names of chemical compounds containing nitrogen or the azo group: azobenzene. Historical Examples According to the brand of azo red which is used, either scarlet or ponceau is obtained. The Practical Ostrich Feather Dyer Alexander Paul If a very blue […]
Jose Maria [haw-se mah-ree-ah] /hɔ sɛ mɑˈri ɑ/ (Show IPA), born 1953, premier of Spain 1996–2004. Contemporary Examples Aznar jumped to conclusions, quickly blaming Basque separatist organization ETA for the al Qaeda attack. French Police Mount a Massive Manhunt for Killer of 3 Children, Teacher Tracy McNicoll March 19, 2012