吖啶 ādìng acridine Definitions Defs Origin Strokes Stroke Words Sentences Sents 吖 yā, ā used in translation Phonosemantic compound. 口 represents the meaning and 丫 represents the sound. Components 口 口 Meaning component kǒu, kou mouth 丫 丫 Sound component yā forked Sources Character origin 漢語多功能字庫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