ˈkrəˌstōs adjective
Etymology: Latin crustosus crusted, from crusta crust + -osus -ose — more at crust
: forming a thin brittle crust ; specifically of a lichen : having a thin thallus adhering closely to the substratum of rock, bark, or soil
ˈkrəˌstōs adjective
Etymology: Latin crustosus crusted, from crusta crust + -osus -ose — more at crust
: forming a thin brittle crust ; specifically of a lichen : having a thin thallus adhering closely to the substratum of rock, bark, or soil
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012