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ㆧ

bopomofo letter onn

Bopomofo letter onn

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Use a Taiwanese phonetic input method that supports extended Bopomofo; the key depends on its layout. ㆧ marks the nasalized “onn” sound in Taiwanese phonetic notation. It belongs to an extended system used for Taiwanese Hokkien and other languages, not the basic Mandarin Zhuyin set.

Text symbol

What ㆧ means

Use a Taiwanese phonetic input method that supports extended symbols. Check that method’s keyboard layout for the assigned key; there is no single Unicode shortcut. The 2012 WSL Taiwanese phonetic input method is one layout-specific example.

What sound does ㆧ mark?

It marks a nasalized “onn” vowel sound. In Taiwanese phonetic notation, it is a syllable-rhyme sign: it records a sound used in a syllable rather than representing a whole word. Its counterpart ㆦ marks the related non-nasalized sound.

Bopomofo began as a pronunciation and literacy aid for Mandarin. The system was created in 1913 and released in 1918. Extended symbols were later used to write sounds in Minnan (including Taiwanese Hokkien) and Hakka; a Taiwanese dialect system using them is documented in 1998.

How is ㆧ different from ㄛ?

ㆧ is an extended nasal-vowel sign; ㄛ is in basic Mandarin Bopomofo. The crossed ending on extended nasal-vowel signs marks a pronunciation distinction. A 2018 Unicode proposal notes that a font that flattens this mark can make the distinction harder to see.

A technical phonetic sign used in Taiwanese notation; it marks a sound within a syllable.

Who writes ㆧ

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Don't confuse it with

1

Questions people ask

1

Why does ㆧ show as a box on some devices?

Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.

Collections with ㆧ

2

How to type or find ㆧ

Also called
onn
Search it as
Taiwanese phonetic · Taiwanese Hokkien · Minnan Bopomofo · extended Bopomofo · Zhuyin
Shows up in
Anything that takes text · its shape is whatever your font draws
Windows (Word)
⎇Alt+XType 31A7, then AltX to get ㆧ.
Windows
⊞Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win .).
macOS
⌃Control+⌘Command+␣SpaceOpen the character viewer and search “bopomofo letter onn”.
Linux
⎈Ctrl+⇧Shift+UType 31a7, then Enter or Space.
HTML
ㆧ
CSS
\31A7
Taiwanese phonetic input method
Choose one that supports extended Bopomofo and check its layout for the assigned key. The 2012 WSL method is one example of a layout with its own key assignments.
Codes and encoding1 code points
HTML decimal
ㆧ
HTML hex
ㆧ
CSS content
content: "\31A7";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E3%86%A7
1
On screen
1
Code points
1
JS .length
3
UTF-8 bytes

A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

Families this belongs to

1

Chinese, Japanese & Korean121,370 symbols