ˈmänzəˌnīt, ˈmōn- noun
( -s )
Etymology: French, from Mt. Monzoni, northeast Italy + French -ite
1. : a granular igneous rock composed of plagioclase and orthoclase in about equal quantities together with augite and a little biotite
2. : any of a large group of rocks intermediate between the syenite group and the diorite-gabbro group
• mon·zo·nit·ic | ̷ ̷ ̷ ̷|nid.ik adjective