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(Top) 1 Character mappings 2 References 3 See also

Ơ

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O with horn
Ơ ơ
O+, O*

Usage
Writing system	Latin script
Type	alphabetic
Language of origin	Vietnamese
Sound values	[ə]
History
Development	O o Ơ ơ
Sisters	Ờờ, Ớớ, Ởở, Ỡỡ, Ợợ
Variations	O+, O*
Other
This article contains phonetic transcriptions in the International Phonetic Alphabet (IPA). For an introductory guide on IPA symbols, see Help:IPA. For the distinction between [ ], / / and ⟨ ⟩, see IPA § Brackets and transcription delimiters.

Ơ (lowercase ơ) is one of the 12 Vietnamese language vowels. It is pronounced [ə].^[1]

As with most special Vietnamese letters, this letter is not well-supported by fonts and is often typed as either o+oro*. The VIQR standard is o+.

On the Windows default Vietnamese keyboard Ơ can be found on where the ] key is on a US English keyboard layout.

Because Vietnamese is a tonal language this letter may optionally have any one of the five tonal symbols above or below it.

Character mappings[edit]

Character information
Preview	Ơ		ơ		Ờ		ờ
Unicode name	LATIN CAPITAL LETTER O WITH HORN		LATIN SMALL LETTER O WITH HORN		LATIN CAPITAL LETTER O WITH HORN AND GRAVE		LATIN SMALL LETTER O WITH HORN AND GRAVE
Encodings	decimal	hex	dec	hex	dec	hex	dec	hex
Unicode	416	U+01A0	417	U+01A1	7900	U+1EDC	7901	U+1EDD
UTF-8	198 160	C6 A0	198 161	C6 A1	225 187 156	E1 BB 9C	225 187 157	E1 BB 9D
Numeric character reference	Ơ	Ơ	ơ	ơ	Ờ	Ờ	ờ	ờ
VISCII	180	B4	189	BD	150	96	182	B6

Character information
Preview	Ớ		ớ		Ở		ở
Unicode name	LATIN CAPITAL LETTER O WITH HORN AND ACUTE		LATIN SMALL LETTER O WITH HORN AND ACUTE		LATIN CAPITAL LETTER O WITH HORN AND HOOK ABOVE		LATIN SMALL LETTER O WITH HORN AND HOOK ABOVE
Encodings	decimal	hex	dec	hex	dec	hex	dec	hex
Unicode	7898	U+1EDA	7899	U+1EDB	7902	U+1EDE	7903	U+1EDF
UTF-8	225 187 154	E1 BB 9A	225 187 155	E1 BB 9B	225 187 158	E1 BB 9E	225 187 159	E1 BB 9F
Numeric character reference	Ớ	Ớ	ớ	ớ	Ở	Ở	ở	ở
VISCII	149	95	190	BE	151	97	183	B7

Character information
Preview	Ỡ		ỡ		Ợ		ợ
Unicode name	LATIN CAPITAL LETTER O WITH HORN AND TILDE		LATIN SMALL LETTER O WITH HORN AND TILDE		LATIN CAPITAL LETTER O WITH HORN AND DOT BELOW		LATIN SMALL LETTER O WITH HORN AND DOT BELOW
Encodings	decimal	hex	dec	hex	dec	hex	dec	hex
Unicode	7904	U+1EE0	7905	U+1EE1	7906	U+1EE2	7907	U+1EE3
UTF-8	225 187 160	E1 BB A0	225 187 161	E1 BB A1	225 187 162	E1 BB A2	225 187 163	E1 BB A3
Numeric character reference	Ỡ	Ỡ	ỡ	ỡ	Ợ	Ợ	ợ	ợ
VISCII	179	B3	222	DE	148	94	254	FE

^ "Unicode Character『Ơ』(U+01A0)". Compart. Oak Brook, IL: Compart AG. 2021. Retrieved 2024-02-29.

Letters (list)

Letters of the ISO basic Latin alphabet
Aa	Bb	Cc	Dd	Ee	Ff	Gg	Hh	Ii	Jj	Kk	Ll	Mm	Nn	Oo	Pp	Qq	Rr	Ss	Tt	Uu	Vv	Ww	Xx	Yy	Zz
Letter O with diacritics
Óó	Òò	Ŏŏ	Ôô	Ốố	Ồồ	Ỗỗ	Ổổ	Ǒǒ	Öö	Ȫȫ	Őő	Õõ	Ṍṍ	Ṏṏ	Ȭȭ	Ȯȯ	O͘o͘	Ȱȱ	Øø	Ǿǿ	Ǫǫ	Ǭǭ	Ōō	Ṓṓ	Ṑṑ
Ỏỏ	Ȍȍ	Ȏȏ	Ơơ	Ớớ	Ờờ	Ỡỡ	Ởở	Ợợ	Ọọ	Ộộ	O̩o̩	Ò̩ò̩	Ó̩ó̩	Ɵɵ	Ꝋꝋ	Ꝍꝍ	Oʻoʻ	ⱺ	𝼛	Ɔ ɔ
Letters using horn sign ( ◌̛ )
Ơơ	Ưư

Digraphs	Ch Dz Dž Gh IJ Lj Ll Ly Nh Nj Ny Sh Sz Th
Trigraphs	dzs eau
Tetragraphs	ough
Pentagraphs	tzsch

Keyboard layouts (list)

Standards

Lists

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