[TOP]glaciation gla·ci·ation / ˌɡleisiˈeiʃnʃOŋð> / noun əu] (geology 地) the process or result of land being covered by glaciers  冰川作用;冰蚀[TOP]glaciation gla·ci·a·tion / ˌglesɪˈeʃən ; ˌgleɪsiˈeɪʃən / noun [U] [technical] 1. the process in which land is covered by glaciers, or the effect this process has 冰蚀; 冰川作用 [TOP]glaciation
1.N-VAR 可变名词 冰蚀;冰川作用;冰川期 In geology, glaciation is the process by which the land is covered by glaciers. Glaciations are periods when this happens.