fu·ma·role
noun/ˈfjuːmərəʊl/
/ˈfjuːmərəʊl/
(geology)- an opening in or near a volcano through which hot gases escape
(火山或火山口附近的)喷气孔 Word Originearly 19th cent.: from obsolete Italian fumaruolo, from late Latin fumariolum ‘vent, hole for smoke’, a diminutive based on Latin fumus ‘smoke’.