an·ti·cline
noun/ˈæntiklaɪn/
/ˈæntiklaɪn/
(geology)- an area of ground where layers of rock in the earth’s surface have been folded into a curve that is higher in the middle than at the ends
背斜（指地球表面岩层叠起成弧状、中间高于边缘的区域） Word Originmid 19th cent.: from anti- + Greek klinein ‘lean’, on the pattern of incline.