lazurite Syllabification: (laz·u·rite)Pronunciation: /ˈlaz(y)əˌrīt, ˈlaZHə-/Definition of lazurite noun a bright blue mineral that is the main constituent of lapis lazuli and consists chiefly of a silicate and sulfate of sodium and aluminum. lazurite in other Oxford dictionaries Definition of lazurite in the British & World English dictionary