noun ag·pa·ite \ˈag-pə-ˌīt\

Definition of agpaite



  1. :  any of a group of feldspathoid rocks (such as naujaites, lujauvrites, or kakortokites) from Ilimausak, Greenland, which differ from normal nephelite-syenites in having alumina in excess of the alkalies


\¦ag-pə-¦i-tik\ adjective

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Origin and Etymology of agpaite

Agpa, locality in southern Greenland + 1-ite

First Known Use: 1913

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