安あん定てい陸りく塊かいあんていりくかいMeanings1nounstable land-mass; cratonGeological term for a large, stable portion of continental crust, often used in academic contexts.アフリカ大たい陸りくの大だい部ぶ分ぶんは安あん定てい陸りく塊かいで構こう成せいされ