yī
one
A single horizontal stroke, representing the number one.
Evolution

Oracle script
(~1250-1000 BC)
Bronze script
Early Western Zhou (~1000 BC)
Seal script
Shuowen (~100 AD)
Clerical script
Wu (Three Kingdoms: 222-280 AD)Regular script
ModernDefinitions
yī
one; a, an; alone; 1; 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
Component uses
Simplified component in 1 character (1 verified)
Distinguishing component in 1 character (1 verified)
Sources