I gather Bevan tasted chemical compound

• A compound containing nitrogen and a more electropositive element (such as phosphorus or a metal)
• Nitrogen compound
• Boron compound
• Compound containing two elements only

WordNet Word definitions in WordNet
n. a compound containing nitrogen and a more electropositive element (such as phosphorus or a metal)

Wiktionary Word definitions in Wiktionary
n. (context chemistry English) A compound of nitrogen where nitrogen has an oxidation state of −3.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Nitride \Ni"tride\ (? or ?), n. [from Nitrogen .] (Chem.) A binary compound of nitrogen with a more metallic element or radical; as, boric nitride.

Wikipedia Word definitions in Wikipedia
In chemistry , a nitride is a compound of nitrogen where nitrogen has a formal oxidation state of −3. Nitrides are a large class of compounds with a wide range of properties and applications. The nitride ion, N, is never encountered in solution because ...