亚佛加得罗定律 yàfójiādéluódìnglǜ Avogadro's law Origin Definitions Defs Strokes Stroke Words Sentences Sents 亚 yà phonetic 佛 fó phonetic 加 jiā phonetic 得 dé phonetic 罗 luó phonetic 定律 dìnglǜ noun scientific law A scientific law or established rule; a statement describing phenomena that has been proven through observation or experiment.