Home/deglaciationdeglaciation/dee-gley-shee-ey-shuhn, -see-/US // diˌgleɪ ʃiˈeɪ ʃən, -si- //退化,退化现象,退化作用,脱落Definitionsn.名词 noun1 Geology.: the gradual melting away of a glacier from the surface of a landmass.Level 5Browse all words →