nitride /ˈnaɪ.tɹaɪd/noun 1verb 1forms 3 noun1 •A compound of nitrogen where nitrogen has an oxidation state of −3.This process provides an unpatternable sheet of silicon nitride that electrically isolates the devices […] — 2005 verb1 •To subject to the nitriding process. formsnitrided · nitriding · nitrides