From theEtruscan letter𐌏(o,“o”), from theAncient Greek letterΟ(O,“omikron”), derived from thePhoenician letter𐤏(ʿ,“ʿayin”), from theEgyptian hieroglyph𓁹.

O (lower caseo)

1. The fifteenth letter of thebasic modern Latin alphabet.

• (Latin script):  Aa  Bb  Cc  Dd  Ee  Ff  Gg  Hh  Ii  Jj  Kk  Ll  Mm  Nn  Oo  Pp  Qq  Rr  Sſs  Tt  Uu  Vv  Ww  Xx  Yy  Zz
• (Variations of letter O):  Óó  Òò  Ŏŏ  Ôô  Ốố  Ồồ  Ỗỗ  Ổổ  Ǒǒ  Öö  Ȫȫ  Őő  Õõ  Ṍṍ  Ṏṏ  Ȭȭ  Ȯȯ  Ȱȱ  Øø  Ǿǿ  Ǫǫ  Ǭǭ  Ōō  Ṓṓ  Ō̂ō̂  Ṑṑ  Ỏỏ  Ȍȍ  Ȏȏ  Ơơ  Ớớ  Ờờ  Ỡỡ  Ởở  Ợợ  Ọọ  Ộộ  Ɵɵ  ⱺ  ᴏ  Ｏｏ  Ꜵꜵ  Œœ  Ꝏꝏ  Ꝍꝍ  Ȣȣ

O

1. (chemistry)Chemical symbol foroxygen.
2. (sports)success

   Coordinate terms:X (fail),- (skip)

3. (mathematics)big O: aclass offunctionsasymptoticallybounded from above by a specific function, up to a constant factor
4. (linear algebra,group theory)orthogonal group
5. (linguistics) Awildcard for arounded vowel or aback vowel

   synonyms:U

• Letter styles
•  
  Uppercase and lowercase versions ofO, in normal and italic type
•  
  Uppercase and lowercaseO inFraktur

Character=O

Other representations of O:

(Name of letter):

• (Received Pronunciation)IPA^(key):/əʊ/

  • Audio(Received Pronunciation):

    (file)

• (General American)IPA^(key):/oʊ/

  • Audio(General American):

    (file)

• Rhymes:-əʊ,-oʊ

O (upper case,lower caseo,pluralOsorO's)

1. The fifteenthletter of the Englishalphabet, calledo and written in theLatin script.
   • 1959,Anthony Burgess,Beds in the East (The Malayan Trilogy), published1972, page421:

     "Supposing somebody sees you, with all those flowers too? Supposing somebody writes him a letter? Ooooh!" (a pure round open TamilO.)

O (pluralOsorO's)

1. Something shaped like the letter O.
   • 1938, Norman Lindsay, chapter XX, inAge of Consent, London:T[homas] Werner Laurie […],→OCLC,page213:

     She was lying in the lee of a fowlhouse in a crumpled posture, as if cohesion had been detached from her joints, which lobbed her in an untidy heap, like a lot of old bones, tied together with string. Her skull was hitched under her humped shoulders and her fallen jaw made a liplessO of her mouth, giving it an expression of imbecile astonishment.

2. (uncountable) A blood type that lacksA orB antigens and may only receive transfusions of similar type O blood, but may donate to all (neglectingRh factor). Synonym:universal donor.

• (Latin-script letters)letter;A a,B b,C c,D d,E e,F f,G g,H h,I i,J j,K k,L l,M m,N n,O o,P p,Q q,R r,S s,T t,U u,V v,W w,X x,Y y,Z z

O (upper case,lower caseo)

1. Theordinal numberfifteenth, derived from thisletter of the Englishalphabet, calledo and written in theLatin script.

FromMiddle EnglishO,o, fromOld Englisho, fromLatino andAncient Greekὦ(ô,interjection). Featured prominently in William Tyndale's 1525 translation of theNew Testament.

• o
• ô(obsolete)

O

2. Thevocativeparticle, used for direct address.

   O Death!O Death! Won't you spare me over till another year? - part of the refrain from the American folk song "A Conversation with Death".

   • 1526, [William Tyndale, transl.],The Newe Testamẽt […] (Tyndale Bible), [Worms, Germany:Peter Schöffer],→OCLC,Romans ij:[1, 3],folio cc, verso:

     Therfore arte thou inexcuſable o man whoſoever thou be that iudgeſt. For in that ſame where in thou iudgeſt another / thou cõdemneſt thy ſilfe. For thou that iudgeſt doest evẽ the ſame ſilfe thynges.[…] Thynkeſt thouO man that iudgeſt them which do ſoche thyngꝭ and yet doſt evẽ the very ſame / that thou ſhalt eſcape the iudgemẽt of God?

   • c. 1810-1820?,Samuel Taylor Coleridge,Notes on Macbeth

     O! the affecting beauty of the death of Cawdor, and the presentimental speech of the king:[…]

   • For more quotations using this term, seeCitations:O.

• The wordO is typically written in upper case in modern usage.
• O is often used in translations from languages which have thevocative case.
• Although it is not strictly archaic, the particle is sometimes usedarchaizingly. It conveys a formal or reverential tone.

• O Antiphon
• O Canada

O (pluralOes)

1. An utterance of the vocativeO.

• Anglo-Saxon:ēalā, ǣlā, hēlā.
• la (a particle for introducing a statement or expressing surprise),lo
• oh.

Abbreviation.

O

1. (Stenoscript)Abbreviation ofout,letter/sound sequence out.

• aO 'about'

O (countable anduncountable,pluralOs)

1. (printing)American Library Association abbreviation ofoctavo, a book size (20-25 cm).
2. (soccer) Someone associated withLeyton Orient Football Club, as a player, coach, supporter etc.
3. (cricket) The number ofovers bowled.
4. (slang)Orgasm.

   Synonym:big O

   • 1998 October 17,M6968, “STORY: The Violation of Sunny a wrestling story, by Wonder Mike”, inalt.sex.stories‎^[1] (Usenet), retrievedNovember 22, 2014:

     Sunny felt some cold and wet press against her pussy, it startled her, then it's^[sic] tongue went deep inside of her, she had been eaten out before, but never this could, who ever was doing it was a real pro, and had to have the longest tongue in the world it was buried at least three inches inside of her and was taking long, hard strokes, it was trying to get even deeper, it was only seconds before she started shaking from her firstO.

   • 1999 March 31, JT aka GF, “Re: mary p., hex and going "downtown"”, inalt.psst.hoy‎^[2] (Usenet), retrievedNovember 22, 2014:

     Further on, when she's about to reach her firstO, the taste turns from no taste to champagne-like.

   • 2010, Lonnie Hicks,Einstein, Religion, Politics and Literature,page308:

     She thought you could get pregnant from tonguing when kissing; about her firstO and how it scared her; how she looked in the mirror afterwards to see if she had changed; about how scared she was when it came time to deliver the baby.

   • 2011 June 14, wtw, “{wtw} - "4someWithFriends" (1/1)”, inalt.sex.stories‎^[3] (Usenet), retrievedNovember 22, 2014:

     Now my friend was fingering my wife and licking her clit. My wife reached her firstO of the night.

5. (slang,uncountable)Opium.
   • 1952,Collier's: Incorporating Features of the American Magazine, page22:

     We lay on our stomachs on the living-room floor in a circle around our host, a skinny little man who said he'd been smokingO for 20 years.

O (notcomparable)

1. (historical)Abbreviation ofmorallyoffensive.(film classification of the National Legion of Decency)
2. (Judaism)Abbreviation ofOrthodox.

Korean오(伍)(O) or오(吳)(O).Doublet ofWu.

• Oh,Oe,Au

O

1. Asurname from Korean.

FromMandarin鄂(È)Wade–Giles romanization:O⁴.

• (fromHanyu Pinyin)E

• IPA^(key):/ʌ/,enPR:ǔ
• Rhymes:-ʌ

O

1. Asurname fromMandarin Chinese.
2. Alternative form ofE (Ancient Chinese Kingdom)
   • [1906, Frederick D. Cloud,Hangchow, the "City of Heaven"‎^[4],Shanghai: Presbyterian Mission Press,→OCLC,→OL,page53:

     ACCORDING to various inscriptions about this famous temple we are told that it was erected to the memory of Ya Fei, "An Unswerving Guardian to the Heir-Apparent," of the Sung dynasty; "A Loyal-to-the-end Minister," who came from the ancient state ofO-Kuo, the present Wu Ch'ang-fu of Hupei; and that it was erected by the Emperor Hsiao Tsung as an atonement for the weakness and follies of his father, Kao Tsung, toward a faithful servant of the empire who came to his untimely death through the diabolical schemes of men in high estate. Moreover, that after his death and burial, when the empire came to appreciate his great services to the people, the posthumous title of " Prince ofO-Kuo" was bestowed upon his sacred memory.]

   • 1944, Harold Burgoyne Rattenbury,China, My China‎^[5],→OCLC, page51:

     In ancient times Wuchang was the capital city of the Kingdom ofO. In Manchu times it was the residence of the Viceroy of the two provinces of Hupeh and Hunan. Since then its fortunes have changed with changing politics.

   • 1976, Noel Barnard,The Proceedings of a Symposium on Scientific Methods of Research in the Study of Ancient Chinese Bronzes and Southeast Asian Metal and Other Archaeological Artifacts, October 6-10, 1975, National Gallery of Victoria, Melbourne‎^[6],→ISBN,→OCLC,→OL, page107:

     ⁶There are actually several geographical identifications proposed for the State ofO: Wu-ch'ang in Hupei, Huai-ch'ing in Honan, and Fu-fang, Shensi (in the south-east thereof). As two inscriptions connected with the State ofO refer to invasions....

   • 2006,Ch'ien Ssu-ma, edited byWilliam H. Nienhauser, Jr.,The Grand Scribe's Records,‎^[7], volumeV.1,→ISBN,→OCLC,→OL,page385:

     […]Yang-yüeh楊粵,⁴⁰ reaching as far asO鄂.⁴¹[…]He then enthroned his elder son K'ang康⁴³ as King of Kou Tan句亶,⁴⁴ his middle song Hung紅 as King ofO鄂,⁴⁵ and his younger son Chih-tz'u執疵 as King of Yüeh-chang越章.⁴⁶

   • For more quotations using this term, seeCitations:O.

• O-ch'eng,O-chou

FromHokkien烏 /乌(o͘,“black”) orTeochew烏 /乌(ou¹,“black”).

• (Singapore)IPA^(key):/oʊ/,[ˈoː˦],[ˈo],(rare, approximatingHokkien)/ɔː(˦)/

O (notcomparable)

1. (Singapore,colloquial, used as a modifier afterkopi(“coffee”) orteh(“tea”)) Withsugar and nocondensed milk added.
   • 2003, Ixus,soc.culture.singapore‎^[8] (Usenet):

     Better try their kopi-o tarik. Our version nowadays taste like cough medicine. LOL!

O

1. The fifteenth letter in the Afar alphabet.

• (Latin-script letters)A a,B b,T t,S s,E e,C c,K k,X x,I i,D d,Q q,R r,F f,G g,O o,L l,M m,N n,U u,W w,H h,Y y

• (letter name):IPA^(key):/ʊə/

O (upper case,lower caseo)

1. The fifteenthletter of the Afrikaansalphabet, written in theLatin script.

• (Latin-script letters)letter;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

O (pluralO's,diminutiveO'tjie)

1. O

O

1. The eleventhletter of the Angamialphabet, written in theLatin script.

• (Latin-script letters)Ü ü,Üi üi,A a,Ai ai,I i,Ie ie,U u,Uo uo,E e,Ei ei,O o,Ou ou,K k,Kh kh,G g,Ng ng,C c,Ch ch,J j,Jh jh,Ny ny,T t,Th th,D d,N n,Ts ts,Tsh tsh,Dz dz,P p,Ph ph,B b,M m,Pf pf,Bv bv,Y y,Yh yh,R r,Rh rh,L l,Lh lh,F f,V v,W w,Wh wh,S s,Sh sh,Z z,Zh zh,H h

Oupper case (lower caseo)

1. The twenty-firstletter of the Azerbaijanialphabet, written in theLatin script.

• (Latin script letters)hərf;Aa,Bb,Cc,Çç,Dd,Ee,Əə,Ff,Gg,Ğğ,Hh,Xx,Iı,İi,Jj,Kk,Qq,Ll,Mm,Nn,Oo,Öö,Pp,Rr,Ss,Şş,Tt,Uu,Üü,Vv,Yy,Zz

• IPA^(key):/o/,[o̞]

O (upper case,lower caseo)

1. The sixteenthletter of the Basquealphabet, calledo and written in theLatin script.

• (Latin-script letters)Aa,Bb,Cc, (Çç),Dd,Ee,Ff,Gg,Hh,Ii,Jj,Kk,L,l,Mm,Nn,Ññ,Oo,Pp,Qq,Rr,Ss,Tt,Uu, (Üü),Vv,Ww,Xx,Yy,Zz

• IPA^(key):(Central,Balearic)[ˈɔ]
• IPA^(key):(Valencia)[ˈo]

O (upper case,lower caseo)

1. The fifteenthletter of the Catalanalphabet, calledo and written in theLatin script.

• (Latin-script letters)lletres;A a (À à),B b,C c (Ç ç),D d,E e (É é,È è),F f,G g,H h,I i (Í í,Ï ï),J j,K k,L l (L·L l·l),M m,N n,O o (Ó ó,Ò ò),P p,Q q,R r,S s,T t,U u (Ú ú,Ü ü),V v,W w,X x,Y y,Z z

• /ɔ/ is from Middle High Germano in most closed syllables, in some dialects also in open syllables.
• /o/ is fromu in most closed syllables.
• /ɔː/ is fromā; fromo before certain consonants; in eastern Moselle Franconian fromou.
• /oː/ is fromuo in Ripuarian and northern Moselle Franconian; fromou in Ripuarian and northwestern Moselle Franconian; fromō in southern Moselle Franconian; in some Moselle Franconian dialects fromo in open syllables.

• IPA^(key):(short open)/ɔ/,(short closed)/o/,(long open)/ɔː/,(long closed)/oː/

O

1. A letter in the German-based alphabet of Central Franconian.
2. A letter in the Dutch-based alphabet of Central Franconian.

• In the Dutch-based spelling, short closed/o/ is represented byó, long open/ɔː/ byao.

• IPA^(key):/o/

O (lower caseo)

1. A letter of theMazahua alphabet.

• (Latin-script letters)A a,Ⱥ ⱥ,A̱ a̱,B b,C c,Cꞌ cꞌ,Cj cj,Cu cu,Cꞌu cꞌu,Cju cju,Ch ch,Chꞌ chꞌ,Chj chj,D d,Dy dy,E e,Ɇ ɇ,E̱ e̱,G g,Gu gu,Hu hu,ꞌHu ꞌhu,I i,I̱ i̱,J j,Jꞌ jꞌ,Jm jm,Jn jn,Jñ jñ,Ju ju,Jy jy,L l,M m,Mꞌ mꞌ,N n,Nꞌ nꞌ,Ñ ñ,Ñꞌ ñꞌ,O o,Ø ø,O̱ o̱,P p,Pj pj,R r,S s,T t,Tꞌ tꞌ,Tj tj,Ts ts,Tsꞌ tsꞌ,Tsj tsj,U u,Ꞹ ꞹ,U̱ u̱,X x,Z z,Zh zh,ꞌ

O

1. (Hong Kong Cantonese)Short forOK(“alright”).

FromEnglishoccupied.

O

1. (Hong Kong Cantonese,slang) in arelationship

A number may be placed afterO to indicate the number of relationships a person has had, including the current one.

• O1
• O-1

Initialism ofEnglishorientation.

O

1. (Hong Kong Cantonese,universityslang)orientation camp

• ocamp

O

1. The fifteenth letter of the Latin alphabet.

O

1. The fifteenth letter used inPinyin.

• The pronunciation above are only used while referring to letters in Pinyin. They are not used in other context (such as English).

Initialism ofEnglishomega

O

1. (fandomslang)Alternative form of歐米伽 /欧米伽

   see:ABO,A,andB

   • 2020 December,晚秋初十,晋江文学城‎^[9], archived fromthe original on2024-12-26:

     《在情敌面前A变O后我怀孕了》[MSC,simp.]
     《在情敵面前A變O後我懷孕了》[MSC,trad.]

     “Zài Qíngdí Miànqián A BiànO Hòu Wǒ Huáiyùn Le”[Pinyin]

     After Having BecomeOmega From Alpha In Front Of My Rival In Love, I Got Pregnant

   • 2020 July,公子柔,晋江文学城‎^[10], archived fromthe original on2024-12-26:

     《O装B给暴躁上将当男秘》[MSC,simp.]
     《O裝B給暴躁上將當男秘》[MSC,trad.]

     “O Zhuāng B Gěi Bàozào Shàngjiàng Dāng Nánmì”[Pinyin]

     Omega Disguises As Beta To Serve The Irritable General As Male Secretary

• (letter name):IPA^(key):/oː/

• Audio:

  (file)

O (capital,lowercaseo)

1. the fifteenth letter of the Dutch alphabet

O

1. asurname
   • 1904, certificate of marriage number 9 of 1904 of Sint-Pieters-Leeuw (reproduced in:Patrick Trio ((Can wedate this quote?))Nakomelingen van Arnoldus O‎^[11])

     Op 10/02/1904 om 11:00 uur zijn voor ons Zacharias De Ro, schepen gehuwd: TheophiliusO[…] enerzijds en anderzijds Maria Elisabetha Troucheau […]

     On February 10, 1904 at 11 am in the presence of ourselves, Zacharias De Ro, alderman, did marry: TheophiliusO[…] on the one hand and on the other hand Maria Elisabetha Troucheau […]

O

1. Abbreviation ofoost;east

• Previous letter:N
• Next letter:P

• O,ᛰ,⨁,ᚮ(Dalecarlian runes)

O (upper caseO,lower caseo)

1. The eighteenthletter of the Elfdalianalphabet, written in theLatin script.

• (letter name):IPA^(key):/o/
• (phoneme):IPA^(key):/o/

• Audio:

  (file)

• Audio:

  (file)

O (upper case,lower caseo)

1. The nineteenthletter of the Esperantoalphabet, calledo and written in theLatin script.

• (Latin script letters)litero;Aa,Bb,Cc,Ĉĉ,Dd,Ee,Ff,Gg,Ĝĝ,Hh,Ĥĥ,Ii,Jj,Ĵĵ,Kk,Ll,Mm,Nn,Oo,Pp,Rr,Ss,Ŝŝ,Tt,Uu,Ŭŭ,Vv,Zz

O (upper case,lower caseo)

1. The fifteenthletter of the Estonianalphabet, calledoo and written in theLatin script.

• (Latin-script letters)täht;Aa,Bb (Cc),Dd,Ee,Ff,Gg,Hh,Ii,Jj,Kk,Ll,Mm,Nn,Oo,Pp (Qq),Rr,Ss,Šš,Zz,Žž,Tt,Uu,Vv (Ww),Õõ,Ää,Öö,Üü (Xx,Yy)

The Finnish orthography using the Latin script was based on those of Swedish, German and Latin, and was first used in the mid-16th century. No earlier script is known. Seethe Wikipedia article on Finnish for more information, andO for information on the development of the glyph itself.

O (upper case,lower caseo)

1. The fifteenthletter of the Finnishalphabet, calledoo and written in theLatin script.

• (Latin-script letters)kirjain;Aa,Bb,Cc,Dd,Ee,Ff,Gg,Hh,Ii,Jj,Kk,Ll,Mm,Nn,Oo,Pp,Qq,Rr,Ss (Šš),Tt,Uu,Vv (Ww),Xx,Yy,Zz (Žž),Åå,Ä ä,Öö

O

1. (linguistics)Either the vowelo/o/ orö/ø/, depending on vowel harmony.

Used in linguistic descriptions in Finnish. For example, a Finnish grammar could use-tOn to refer to the suffix-ton (in e.g.mauton) or-tön (in e.g.ääretön).

• (letter):IPA^(key):/o/

• Audio(Paris):

  (file)

O

1. Abbreviation ofouest;west

O

1. the fifteenth letter of the French alphabet

O

1. oeste,occidente (west)

• (west):W

• IPA^(key):/ʔoː/

• Audio:

  (file)

O (upper case,lower caseo)

1. The fifteenth letter of the German alphabet.

O

1. Abbreviation ofOst;east

• (letter name)ʻō

• (letter name)IPA^(key):/ˈʔoː/
• (phoneme)IPA^(key):/o/

O

1. The fourthletter of the Hawaiianalphabet, written in theLatin script.

• (Latin-script letters)A a (Ā ā),E e (Ē ē),I i (Ī ī),O o (Ō ō),U u (Ū ū),H h,K k,L l,M m,N n,P p,W w,ʻ

• (phoneme):IPA^(key):[ˈo]
• (letter name):IPA^(key):[ˈo]

O (upper case,lower caseo)

1. The twenty-fourthletter of the Hungarianalphabet, calledo and written in theLatin script.

• (Latin-script letters)betű;A a,Á á,B b,C c,Cs cs,D d,Dz dz,Dzs dzs,E e,É é,F f,G g,Gy gy,H h,I i,Í í,J j,K k,L l,Ly ly,M m,N n,Ny ny,O o,Ó ó,Ö ö,Ő ő,P p,Q q,R r,S s,Sz sz,T t,Ty ty,U u,Ú ú,Ü ü,Ű ű,V v,W w,X x,Y y,Z z,Zs zs

O (lower caseo)

1. The fifteenthletter of the Icelandicalphabet, written in theLatin script.

• (Latin-script letters)bókstafur;A a,Á á,B b,D d,Рð,E e,É é,F f,G g,H h,I i,Í í,J j,K k,L l,M m,N n,O o,Ó ó,P p,R r,S s,T t,U u,Ú ú,V v,X x,Y y,Ý ý,Þ þ,Æ æ,Ö ö

O (lower caseo)

1. The fifteenthletter of the Idoalphabet, written in theLatin script.

• (Latin-script letters)litero;Aa,Bb,Cc,Dd,Ee,Ff,Gg,Hh,Ii,Jj,Kk,L,l,Mm,Nn,Oo,Pp,Qq,Rr,Ss,Tt,Uu,Vv,Ww,Xx,Yy,Zz

• (letter name):IPA^(key):/o/
• (phoneme):IPA^(key):/o/,[o],[ɔ]

O (upper case,lower caseo)

1. The fifteenthletter of the Indonesianalphabet, written in theLatin script.

• (Latin script letters)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

O (upper case,lower caseo)

1. The thirteenthletter of the Irishalphabet, written in theLatin script.

• (Latin-script letters)litir;A a (Á á),B b (Bh bh,bhF bhf,bP bp),C c (Ch ch),D d (Dh dh,dT dt),E e (É é),F f (Fh fh),G g (gC gc,Gh gh),H h,I i (Í í),L l,M m (mB mb,Mh mh),N n (nD nd,nG ng),O o (Ó ó),P p (Ph ph),R r,S s (Sh sh),T t (Th th,tS ts),U u (Ú ú),V v
• (diacritics)◌́◌̇
• (dotted letters used chiefly inGaelic type)Ḃḃ,Ċċ,Ḋḋ,Ḟḟ,Ġġ,Ṁṁ,Ṗṗ,Ṡẛṡ,Ṫṫ

• (letter name)IPA^(key):/ˈɔ/^*
  • Rhymes:-ɔ
  • Hyphenation:Ò
  • Homophone:ho
• (phonemic realization)IPA^(key):/o/,/ɔ/
  • Homophones:o,ho

O f orm (invariable,upper case,lower caseo)

1. The thirteenthletter of the Italianalphabet, calledo and written in theLatin script.

O m

1. Abbreviation ofovest;west

• (Latin-script letters)lettera;Aa (Àà),Bb,Cc,Dd,Ee (Éé,Èè),Ff,Gg,Hh,Ii (Íí,Ìì,Îî,Jj,Kk),Ll,Mm,Nn,Oo (Óó,Òò),Pp,Qq,Rr,Ss,Tt,Uu (Úú,Ùù),Vv (Ww,Xx,Yy),Zz
•  Italian alphabet on Wikipedia.Wikipedia

Borrowed fromTagalogO. Letter pronunciation is influenced byEnglishO.

• (letter name)
  • IPA^(key):/ˈʔo/[ˈʔo]
    • Rhymes:-o
    • Syllabification:O
  • IPA^(key):(alternative)/ˈʔow/[ˈʔoʊ̯]
    • Rhymes:-ow
    • Syllabification:O
• (phoneme)IPA^(key):/ˈo/[ˈo]
  • Rhymes:-o

O (upper case,lower caseo)

1. The seventeenthletter of the Kankanaeyalphabet, calledo and written in theLatin script.

• (Latin-script letters)letra;A a,B b,C c,D d,E e,F f,G g,H h,I i,J j,K k,L l,M m,N n,Ñ ñ,Ng ng,O o,P p,Q q,R r,S s,T t,U u,V v,W w,X x,Y y,Z z

The Kashubian orthography is based on the Latin alphabet. No earlier script is known. See theKashubian alphabet article on Wikipedia for more, andO for development of the glyph itself.

O (upper case,lower caseo)

1. The twentiethletter of the Kashubianalphabet, written in theLatin script.

• (Latin-script letters)A a,Ą ą,àã,B b,C c,D d,E e,É é,Ë ë,F f,G g,H h,I i,J j,K k,L l,Ł ł,M m,N n,O o,Ò ò,Ó ó,Ô ô,P p,R r,S s,T t,U u,Ù ù,W w,Y y,Z z,Ż ż

• ○(rare)

FromJapanese○(まる).

O• (O)

1. true.

• X(X)

• OX(OX)

O (upper case,lower caseo)

1. A letter in theLatin alphabet, representing the vowels /o/ and /oː/

• Historical Latin texts did not generally distinguish short and long vowels orthographically. In modern texts and editions of older texts, the vowels are typically written ⟨O⟩ and ⟨Ō⟩ to mark the length distinction.

• (Latin-script letters)A a,B b,C c,D d,E e,F f,G g,H h,I i,L l,M m,N n,O o,P p,Q q,R r,S s,T t,V v,X x,Y y,Z z

Proposed in 1908 as part of the new Latvian spelling by the scientific commission headed byK. Mīlenbahs, which was accepted and began to be taught in schools in 1909. Prior to that, Latvian had been written in GermanFraktur, and sporadically inCyrillic.

• IPA^(key):[uə̯],IPA^(key):[o],IPA^(key):[oː]

O (upper case,lower caseo)

1. The twenty-thirdletter of the Latvianalphabet, calledo and written in theLatin script.

In native Latvian words (and in some older borrowings),o represents the sound of IPA [uə̯] (e.g.,otrs [uə̯tɾs]). In more recent borrowings, it represents the original sound of the word, i.e. [o] or [oː] (e.g.,opera [oːpeɾa]).

• Letters of the Latvian alphabet:

  burti:Aa,Āā,Bb,Cc,Čč,Dd,Ee,Ēē,Ff,Gg,Ģģ,Hh,Ii,Īī,Jj,Kk,Ķķ,Ll,Ļļ,Mm,Nn,Ņņ,Oo,Pp,Rr,Ss,Šš,Tt,Uu,Ūū,Vv,Zz,Žž

O (upper case,lower caseo)

1. The fifteenthletter of the Limburgishalphabet, written in theLatin script.

From earlierou, from Old Limburgishouga, fromProto-West Germanic*augā, fromProto-Germanic*augô.

• IPA^(key):/o/
• Rhymes:-o

O n (pluralOwwe,diminutiveÖögeltje)(Eupen)

1. (anatomy)eye
2. (on plants, esp. potatoes, grapevines and fruit trees)germ,bud;eye(potato)
3. (on dice)dot,pip,spot
4. (of a cyclonic storm)eye

Nominalized form ofo f(“old”).

• IPA^(key):/ɔ/
• Homophone:o
• Rhymes:-ɔ

O f (pluralO,masculineAuwe)(Eupen)

1. oldwoman

• (Name of letter):IPA^(key):[o]
• (Phoneme):IPA^(key):[o],[ɔ]

O

1. The fifteenthletter of the Malayalphabet, written in theLatin script.

• (Latin script letters)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

O (lower caseo)

1. Aletter of the Navajoalphabet, written in theLatin script.

• (Latin-script letters)A a (Á á,Ą ą,Ą́ ą́),B b,Ch ch,Chʼ chʼ,D d,Dl dl,Dz dz,E e (É é,Ę ę,Ę́ ę́),G g,Gh gh,H h,Hw hw,X x,I i (Í í,Į į,Į́ į́),J j,K k,Kʼ kʼ,Kw kw,ʼ,L l,Ł ł,M m,N n (Ń ń),O o (Ó ó,Ǫ ǫ,Ǫ́ ǫ́),S s,Sh sh,T t,Tʼ tʼ,Tł tł,Tłʼ tłʼ,Ts ts,Tsʼ tsʼ,W w,Y y,Z z,Zh zh

• (phoneme):IPA^(key):/o/

O (upper case,lower caseo)

1. The eighteenthletter of the Nupealphabet, written in theLatin script.

• (Latin-script letters)banki;A a (Á á,À à),B b,C c,D d,Dz dz,E e (É é,È è),F f,G g,Gb gb,H h,I i (Í í,Ì ì),J j,K k,Kp kp,L l,M m (Ḿ ḿ,M̀ m̀,M̄ m̄),N n (Ń ń,Ǹ ǹ,N̄ n̄),O o (Ó ó,Ò ò),P p,R r,S s,Sh sh,T t,Ts ts,U u (Ú ú,Ù ù),V v,W w,Y y,Z z,Zh zh

The Polish orthography is based on the Latin alphabet. No earlier script is known. See thehistory of Polish orthography article on Wikipedia for more, andO for development of the glyph itself.

• IPA^(key):/ˈɔ/

O (upper case,lower caseo)

1. The twentiethletter of the Polishalphabet, calledo and written in theLatin script.

• (Latin-script letters)A a,Ą ą,B b,C c,Ć ć,D d,E e,Ę ę,F f,G g,H h,I i,J j,K k,L l,Ł ł,M m,N n,Ń ń,O o,Ó ó,P p,R r,S s,Ś ś,T t,U u,W w,Y y,Z z,Ź ź,Ż ż

O (upper case,lower caseo)

1. The fifteenthletter of the Portuguesealphabet, written in theLatin script.

• (Latin-script letters)letra;Aa (Áá,Àà,Ââ,Ãã),Bb,Cc (Çç),Dd,Ee (Éé,Êê),Ff,Gg,Hh,Ii (Íí),Jj,Kk,Ll,Mm,Nn,Oo (Óó,Ôô,Õõ),Pp,Qq,Rr,Ss,Tt,Uu (Úú),Vv,Ww,Xx,Yy,Zz

• IPA^(key):/o/

O (upper case,lower caseo)

1. (International Standard)The nineteenthletter of the Romanialphabet, written in theLatin script.
2. (Pan-Vlax)The twentiethletter of the Romanialphabet, written in theLatin script.

• (Latin-script letters)A a,B b,C c,D d,E e,F f,G g,H h,X x,I i,J j,K k,Kh kh,L l,M m,N n,O o,P p,Ph ph,R r,S s,T t,Th th,U u,V v,Z zInternational Standard:(À à,Ä ä,Ǎ ǎ),Ć ć,Ćh ćh, (È è,Ë ë,Ě ě), (Ì ì,Ï ï,Ǐ ǐ), (Ò ò,Ö ö,Ǒ ǒ),Rr rr,Ś ś, (Ù ù,Ü ü,Ǔ ǔ),Ź ź,Ʒ ʒ,Q q,Ç ç,ϴ θ.Pan-Vlax:Č č,Čh čh,Dž dž, (Dź dź),Ř ř,Š š, (Ś ś),Ž ž, (Ź ź).