释义 |
underthrust I. \| ̷ ̷ ̷ ̷| ̷ ̷\ transitive verb Etymology: under (I) + thrust 1. : to thrust underneath or out from underneath < sulky underthrust lower lip > 2. : to insert or move (a rock mass) into position by underthrust faulting II. \ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷\ noun 1. : the insertion by compressive stresses and faulting of one mass of rock under another — compare thrust fault 2. : the stress that produces an underthrust |