The Collaborative International Dictionary of English v.0.48:

azide \az"ide\ n. (Chem.)
   any chemical compound containing the azido group -N3, such
   as sodium azide (ionic and inorganic) or ethyl azide
   (organic and nonionic).
   [PJC]

The Collaborative International Dictionary of English v.0.48:

azido \azido\ adj.
   relating to or containing the azido group -N3.
   [WordNet 1.5]