## JapaneseEdit

Kanji in this term | ||

導 | 関 | 数 |

どう Grade: 5 |
かん Grade: 4 |
すう Grade: 2 |

on'yomi |

### NounEdit

**導関数** (*hiragana* **どうかんすう**, *romaji* **dōkansū**)

- (calculus) derived function - of a function, another function, the value of which for any value of the independent variable is the instantaneous rate of change of the given function at that value of the independent variable.