Radical 1
Kangxi radical

Radical 1 or radical one (一部) meaning "one" is one of the 6 Kangxi radicals (214 radicals in total) composed of 1 stroke. It is the simplest Chinese character in the language due to consisting of only one line.
In the Kangxi Dictionary, there are 60 characters (out of 47,043) to be found under this radical.
一 is also the 1st indexing component in the Table of Indexing Chinese Character Components predominantly adopted by Simplified Chinese dictionaries published in mainland China.
01Derived characters
| Strokes | Characters |
|---|---|
| +0 | 一 |
| +1 | 丁 丂 七 丄 丅 丆 |
| +2 | 万 (also SC/JP form of 萬 -> 艸) 丈 三 上 下 丌 与SC/与JP (also SC/JP form of 與 -> 臼) |
| +3 | 不 丏 丐 丑SC/JP/丑TC (also SC form of 醜 -> 酉) 丒 (=丑) 专SC (=專 -> 寸) |
| +4 | 且 丕 世 丘 丙 业SC (=業 -> 木) 丛SC (=叢 => 又) 东SC (=東 -> 木) 丝SC (=絲 -> 糸) |
| +5 | 丞 丟 丠 両JP (=兩 -> 入) |
| +6 | 丣 两SC (=兩 -> 入) 严SC (=嚴 -> 口) |
| +7 | 並 丧SC (=喪 -> 口) |

02In calligraphy
The only stroke in radical one, known as 橫/横 héng "horizontal", is called 策 cè in the eight principles of the character 永 (永字八法 Yǒngzì Bāfǎ) which are the basis of Chinese calligraphy.
03Sinogram
As an isolated character it is one of the Kyōiku kanji or Kanji taught in elementary school in Japan. It is a first grade kanji.

04Literature
- 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.
- Li, Leyi (1993). Tracing the Roots of Chinese Characters: 500 Cases. Beijing. ISBN 978-7-5619-0204-2.{{cite book}}: CS1 maint: location missing publisher (link)
Sources and credits
This article is adapted from the Wikipedia article “Radical 1”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
Images, from Wikimedia Commons:
- 一-order.gif by See user in the "File history" section., CC BY 3.0
- Radical1.jpg by Immanuel Giel, CC BY-SA 3.0
- Yongzi Bafa 5.svg by sarang, Public domain
Fathomly is not affiliated with or endorsed by the Wikimedia Foundation. Spotted a problem? Tell us.