一

Traditional form:

一

Pinyin (reading):

yī

Definitions:

• one
• single
• a (article)
• as soon as
• entire; whole; all; throughout
• "one" radical in Chinese characters (Kangxi radical 1)
• also pr. (yāo) for greater clarity when spelling out numbers digit by digit

Characters:

• 一 - one; a, an; alone

Traditional characters:

• 一 - one; a, an; alone