一家言 yījiāyán school of thought Definitions Defs Origin Strokes Stroke Words Sentences Sents yījiāyán school of thought · authority 一 yī numeral one one; the number 1; single; alone家 jiā noun school of thought philosophical or academic school of thought言 yán theory a school of thought; doctrine; words of a particular teacher or sectyījiāyán Yijia Yan 一 yī numeral one one; the number 1; single; alone家 jiā noun school of thought philosophical or academic school of thought言 yán noun speech words; talk; what is said