哌啶 pàidìng piperidine Origin Definitions Defs Strokes Stroke Words Sentences Sents 哌 pài, gū used in translation Components 口 口 Meaning component kǒu, kou mouth mouth 氏 氏 Sound component shì clan Sources Readings & variants Unicode 啶 dìng phonetic used in pyridine and pyrimidine Components 口 口 Meaning component kǒu, kou mouth mouth 定 定 Sound component dìng settle Sources Readings & variants Unicode