隐函数 Traditional form: 隱函數 Pinyin (reading): yǐnhánshù Definitions: implicit function Characters: 隐 - to hide, to conceal; secret, hidden 函 - correspondence; a case, a box 数 - count, number, several Traditional characters: 隱 - to hide, to conceal; secret, hidden 函 - correspondence; a case, a box 數 - count, number, several