石灰乳 shíhuīrǔ whitewash Origin Definitions Defs Strokes Stroke Words Sentences Sents 石灰 shíhuī lime Material made from burning limestone, used in construction, agriculture, and medicine; includes both quicklime and slaked lime. Also called 白灰 báihuī.乳 rǔ nounverb milk (bound form) milk; a milk-like liquid or emulsion