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Tang Dynasty calligraphy of radical 1

Radical 1 (⼀ Unicode U+2F00, pinyin yī meaning "one") is one of only six radicals (of 214 total) Kangxi radicals that are composed of only one stroke.

In the Kangxi Dictionary there are only 42 characters (out of 40 000) to be found under this radical.

Radical 1, in this case known as 橫 héng "horizontal", is one of the eight principles of the character 永 (永字八法 Yǒngzì Bāfǎ) which are the basis of Chinese calligraphy.

Characters with Radical 1

永 (永字八法Yǒngzì Bāfǎ)

Literature

• Fazzioli, Edoardo. Chinese calligraphy : from pictograph to ideogram : the history of 214 essential Chinese/Japanese characters. calligraphy by Rebecca Hon Ko. New York: Abbeville Press. ISBN 0896597741.  
• Leyi Li: “Tracing the Roots of Chinese Characters: 500 Cases”. Beijing 1993, ISBN 978-7561902042

See also

• Chinese numerals

Definition from Wiktionary, a free dictionary

Translingual

Stroke order

Stroke order

Etymology

一 is the simplified form of 弌, potentially representing an outstretched finger.

Oracle bone script	Bronze inscriptions	Large seal script	Small seal script

Han character

一 (radical 1 一+0, 1 stroke, cangjie input 一 (M), four-corner 1000₀)

1. one
2. alone
3. Radical 一

References

• KangXi: page 75, character 1
• Dai Kanwa Jiten: character 1
• Dae Jaweon: page 129, character 1
• Hanyu Da Zidian: volume 1, page 1, character 1
• Unihan data for U+4E00

See also

• (Chinese written numbers): 〇  一  二  三  四  五  六  七  八  九  十
• (Chinese financial form): 壹
• (Other powers of ten): 分
• Alternative forms: 1, 〡, ¹, ₁, ①, ⑴, ⒈, ⓵, ❶, ⼀, ㆒, ㈠, ㊀, 壱, 弌, 扠, 搋

Cantonese

Etymology

From Old Chinese *^?yit

Pronunciation

• IPA: /jɐt˥/

Hanzi

一 (jyutping jat1, Yale yat1)

1. one

Japanese

Noun

一 (hiragana いち, romaji ichi)

1. one, 1
2. the beginning
3. unity

Etymology

/hito2/: [pitə] > [ɸitə] > [ɸito] > [çito].

Noun

一 (hiragana ひと, romaji hito)

1. one

Kanji

一 (grade 1 kanji)

Readings

• On: いち (ichi), いつ (itsu)
• Kun: ひと (hito), ひとつ (一つ, hitotsu)
• Nanori: い (i), いっ (it), いる (iru), おさむ (osamu), かつ (katsu), かず (kazu), かづ (kazu), すすむ (susumu), てん (ten), はじめ (hajime), ひ (hi), ひとつ (hitotsu), まこと (makoto)

Compounds

Derived terms

• 一つ (ひとつ, hitotsu)

  noun: one, 1 (counting); the same

• 一に (いつに, itsuni)

  adv: soley, entirely, only, or

• 一は (いつは, itsuwa)

  exp: for one thing, partly

• 一から (いちから, ichikara)

  exp: from the beginning, from scratch

• 一ころ (いちころ, ichikoro)

  noun: trouncing, beating somebody hands down

• くノ一 (くのいち, kunoichi)

  noun: female ninja

Idioms

• 一からやり直す

  いちからやりなおす

  ichi kara yarinaosu

  start over from scratch

• 一から十まで

  いちからじゅうまで

  ichi kara jū made

  (literally. from one to ten)

  all, without exception; from A to Z

• 一か八か

  いちかばちか

  ichi ka bachi ka

  it's a gamble; sink or swim

• 一もにも無く

  いちもにもなく

  ichi mo ni mo naku

  unhesitatingly

Number

一 (いち, ichi)

一 (いつ, itsu)

一 (いっ, it)

一 (ひと, hito)

The pronunciation depends on the counter word following 一.

1. one, 1

Korean

Hanja

一
Eumhun:

• Sound (hangeul): 일 (revised: il, McCune-Reischauer: il, Yale: il)

• Name (hangeul): 하나 (revised: hana, McCune-Reischauer: hana, Yale: hana)

Mandarin

Pronunciation

•  audio^{help, file}

Hanzi

一 (pinyin yī (yi1), Wade-Giles i¹)

Compounds

Cardinal number

一 (traditional and simplified, Pinyin yī)

1. one

Note Often pronounced yāo when giving a sequence of digits such as a telephone number.

• Wubi Xing: ggll

• Wubi Hua: 1

• Quwei: 5027

• • Last: 零
  • Next: 二

Min Nan

Pronunciation

• 一 (traditional, POJ it)
• 一 (traditional, POJ chi̍t)

Vietnamese

Han character

一 (nhất, nhắt, nhứt)

Wu

Pronunciation

IPA: iɔ, iɤʔ

Latin Alphabet: yeh

Zhuyin Fuhao:ㄧㄝ