〇

See also: Appendix:Variations of "o", 0, ㇣, ㅇ, and ◯

〇 U+3007, 〇 IDEOGRAPHIC NUMBER ZERO ← 〆 [U+3006] CJK Symbols and Punctuation 〈 → [U+3008]

Chinese

Glyph origin 1

It is considered a placeholder for a missing Chinese character. Used to express a zero digit in a number since at least the (c.) 12th century, perhaps even earlier than the concept "zero" appeared in the Chinese language. Also written as □ in early literature.

Definitions

For pronunciation and definitions of 〇 – see 零 (“fragmentary; scattered; fraction; remainder; etc.”). (This character, 〇, is a variant form of 零.)

See also

Chinese numbers
	0	1	2	3	4	5	6	7	8	9	10	102	103	104	108	1012
Normal (小寫／小写)	〇, 零	一	二	三	四	五	六	七	八	九	十	百	千	萬／万 十千 (Malaysia, Singapore)	億／亿	兆 (Taiwan) 萬億／万亿 (Mainland China)
Financial (大寫／大写)	零	壹	貳／贰	參／叁	肆	伍	陸／陆	柒	捌	玖	拾	佰	仟

Glyph origin 2

Coined by Chinese empress regnant Wu Zetian. One of the Chinese characters of Empress Wu.

Definitions

For pronunciation and definitions of 〇 – see 星 (“star; planet; heavenly body; star-shaped object; etc.”). (This character, 〇, is a variant form of 星.)

Japanese

Etymology 1

Borrowed from English zero.

Alternative forms

• 零

Symbol

〇(ゼロ)

1. Used to write zero in kanji positional notation.

   二〇〇七(にせんしち)年(ねん)七(しち)月(がつ)二三(にじゅうさん)日(にち)

   nisenshichi nen shichigatsu nijūsannichi

   July 23, 2007

Etymology 2

Symbol

〇

1. See ○ for the plain circle.