環かん太たい平へい洋よう造ぞう山ざん帯たいかんたいへいようぞうざんたいMeanings1nouncircum-Pacific orogenic beltGeological term referring to the belt of mountain-building activity around the Pacific Ocean, also known as the Ring of Fire.環かん太たい平へい洋よう造ぞう山ざん帯たいは地じ震しんや火か山ざん活かつ動どうが