entasis
/ˈentəsɪs/noun
(pl. entases)
- Architecture a slight convex curve in the shaft of a column, introduced to correct the visual illusion of concavity produced by a straight shaft【建筑】圆柱收分线; 柱中微凸线。
词源
mid 17th cent.: modern Latin, from Greek, from enteinein 'to stretch or strain'.