lichenometryWiktionary 原文构词拆分licheno-前缀lichen+-metry后缀Forming nouns relating to measures and measurement.词源说明From licheno- + -metry.释义（英文）名词 Noun(archaeology, paleontology, geomorphology) A geomorphic method of geochronologic dating that uses lichen growth to determine the age of exposed rock.词族派生词（1）lichenometric