偏へん微び分ぶん方ほう程てい式しきMeaningsNoun1. partial differential equationKanji used偏biased微micro分part方way程extent式ceremonyPitch accentへんびぶんほうていしきComposed of偏へんleft-hand radical of a characterNoun微び分ぶんdifferentiation; differential; derivativeNoun方ほう程てい式しきequation; formula; method for solving a problem; set way of achieving a particular resultNoun