函 — Chinese character
函
hán
correspondence; a case, a box
- Pinyin
- hán
- Radical
- 17 ⼐ (Open Box)
- Strokes
- 8
- Components
- 凵 了
- Formation
- ideographic — Letters placed in a container 凵
- Japanese
- 函 as a kanji
Common words with 函
| Word | Pinyin | Meaning |
|---|---|---|
| 函数 (函數) | hán shù | function (math.) |
| 信函 | xìn hán | letter; piece of correspondence (incl. email) |
| 致函 | zhì hán | to send a letter |
| 邀请函 (邀請函) | yāo qǐng hán | invitation letter; measure word: 封 (fēng) |
| 函授 | hán shòu | to teach by correspondence |
| 来函 (來函) | lái hán | incoming letter; letter from afar |
| 公函 | gōng hán | official letter |
| 函件 | hán jiàn | letters; correspondence |
| 三角函数 (三角函數) | sān jiǎo hán shù | trigonometric function |
| 连续函数 (連續函數) | lián xù hán shù | continuous function |
| 回函 | huí hán | a reply (in writing) |
| 指数函数 (指數函數) | zhǐ shù hán shù | exponential function |
English words written with 函
函 in the Chinese classics
Occurrences: Mencius 2 · Zhuangzi 1
Data: Make Me a Hanzi (Arphic Public License (graphics.txt); LGPL-3.0-or-later (dictionary.txt)); Unihan Database (Unicode License v3); CC-CEDICT (CC BY-SA 4.0). Retrieved 2026-10-22.