词根词缀：litho-, lith-, -lith, -lithic, -lite, -liths, -lites

【来源及含义】Greek: stone, rock; hard consolidated mineral matter; hard matter formed from mineral and earth material; hard substance that is solid

【相关词根词缀】 Related "stone, rock" word families: lapid-; petro-; saxi-; stele-.

【同源单词】abyssolith, acaustobiolith, acrolith, aerolite, allotriolith, amygdalolith

词根词缀：sphero-, spher-, -sphere-

【来源及含义】Greek: ball, round, around; globe, global; body of globular form; by extension, circular zone, circular area

【相关词根词缀】 Related ball, sphere-word units: glob-, glom-; hemoglobin-.

【同源单词】adminisphere, aerosphere, allobiosphere, anthroposphere, asphere, aspheric