| azo group | (radical) -N = N- |
| azo group | (n) the bivalent group -N=N- united to two hydrocarbon groups, Syn. azo radical |
| hydrazo group | (n) the bivalent group -HNNH- derived from hydrazine, Syn. hydrazo radical |
| アゾ基 | [アゾき, azo ki] (n) azo group [Add to Longdo] |