波以耳定律 bōyǐ'ěrdìnglǜ Boyle's law Definitions Defs Origin Strokes Stroke Words Sentences Sents 波 bō phonetic 以 yǐ phonetic 耳 ěr 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.