- The process of expansion of the Mapudungun language and others elements of the Mapuche culture from their homeland Araucania into the plains of Patagonia, so as to assimilate such other native Amerind peoples as the Puelches and Tehuelches
- The Araucanization of the minor Patagonian tribes troughout the colonial era would only be ended by the similar cultural imperialism of the Hispanophones which swept over the Mapuche as well after the 19th century Argentinian and Chilean independence.
All terms derived by from the terms Araucania and Araucanian are considered extremely offensive by the Mapuche people as these are terms used insultingly toward them. The inoffensive term would be Mapucheization, Tierra Mapuche, and Mapuchen respectively.
From Spanish araucanización, from Araucanía