| Uni: | 6C14 |
| Meaning: | steam, air, breath |
| Pny: | qì |
| Bopo: | ㄑㄧˋ |
| Gr: | chih |
| Wade: | chʻi⁴ |
| Jyutping: | hei³ |
| Yale: | hei |
| Poj: | khì |
| Cn: | 氣字頭/气字头 qìzìtóu |
| Onyomi: | キ ki |
| Jp: | 気構え/きがまえ kigamae |
| Hang: | 기운 giun |
| Hanja: | 기 gi |
| Hanviet: | khí |
Radical 84 or radical steam meaning "steam", "air" or "breath" is one of the 34 Kangxi radicals (214 radicals in total) composed of 4 strokes.
In the Kangxi Dictionary, there are 17 characters (out of 49,030) to be found under this radical.
is also the 81st indexing component in the Table of Indexing Chinese Character Components predominantly adopted by Simplified Chinese dictionaries published in mainland China.
The radical character is an ancient form of, and used as the simplified form of it in Simplified Chinese.
| Strokes | Characters | |
|---|---|---|
| +0 | (also SC/ancient variant form of 氣) | |
| +1 | (1H) | |
| +2 | (Ne) JP (=氣) (2H) | |
| +3 | (Xe) (3H) | |
| +4 | ||
| +5 | (F) (Rn) SC (=氫) | |
| +6 | (He) (O) (ammonia, NH3) SC (=氬) | |
| +7 | (Kr) (H) | |
| +8 | (Ar) (N) (Cl) (cyanogen, NCCN) | |
| +9 | SC/HK (=氳) | |
| +10 |
In modern Chinese, this radical is used to form characters representing gaseous chemical elements and compounds.