公式

formula

public / collectively owned / common / international (e.g. high seas, metric system, calendar) / make public / fair / just / Duke, highest of five orders of nobility 五等爵位[wu3 deng3 jue2 wei4] / honorable (gentlemen) / father-in-law / male (animal)

type / form / pattern / style

to formalize / formalism in art (esp. as proscribed in USSR and PRC)

formula

recurrence formula

unofficial / informal

unofficial; informal