Radical 84 or radical steam (气部) 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.

气 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 氣, and used as the simplified form of it in Simplified Chinese.

• Oracle bone script character
• Bronze script character
• Large seal script character
• Small seal script character

In modern Chinese, this radical is used to form characters representing gaseous chemical elements and compounds.

• Fazzioli, Edoardo (1987). Chinese calligraphy : from pictograph to ideogram : the history of 214 essential Chinese/Japanese characters. calligraphy by Rebecca Hon Ko. New York: Abbeville Press. ISBN 0-89659-774-1.
• Lunde, Ken (Jan 5, 2009). "Appendix J: Japanese Character Sets" (PDF). CJKV Information Processing: Chinese, Japanese, Korean & Vietnamese Computing (Second ed.). Sebastopol, Calif.: O'Reilly Media. ISBN 978-0-596-51447-1.

Wikimedia Commons has media related to Radical 084.

• Unihan Database - U+6C14