白面儿 báimiànr heroin Definitions Defs Origin Strokes Stroke Words Sentences Sents 白面 白麵 báimiàn heroin (slang) heroin; illegal white powdered drugs儿 兒 r particleaffix [erhua suffix] A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.