石 Shí/dàn/shí, surname Shi, dry measure for grain equal to ten dou 斗/ten pecks/one hundred lite... 氏 shì/zhī, clan name/maiden name, see 月氏[Yuè zhī] and 閼氏|阏氏[yān zhī] 丶 zhǔ, "dot" radical in Chinese characters (Kangxi radical 3)/see also 點|点[diǎn] 氐 Dī/dǐ, name of an ancient tribe, foundation/on the whole 砥 dǐ, baffle (pier)/whetstone