O

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O
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
Cursive.svg
Circle sheer blue 29.gif
Circle sheer blue 29.gif
Cursive script 'o' and capital 'O'

O (named o /ˈ/, plural oes)[1] is the fifteent letter an a vowel in the ISO basic Latin alphabet.

History[eedit | eedit soorce]

Its graphic fairm haes an aa remained fairly constant frae Phoenician times till today. The name o the Phoenician letter wis ʿeyn, meanin "eye", an indeed its shape originates simply as a drawin o a human eye (possibly inspired bi the correspondin Egyptian hieroglyph, c.f. Proto-Sinaitic script). Its oreeginal soond value wis that o a consonant, probably [ʕ], the soond representit bi the cognate Arabic letter letter ع ʿayn.

The uise o this Phoenician letter for a vowel soond is due tae the early Greek alphabets, which adoptit the letter as O "omicron" tae represent the vowel /o/. The letter wis adoptit wi this value in the Auld Italic alphabets, includin the early Latin alphabet. In Greek, a variation o the fairm later came tae distinguish this lang soond (Omega, meanin "large O") frae the short o (Omicron, meanin "smaa o"). Greek omicron gae rise tae the correspondin Cyrillic letter O an the early Italic letter tae runic runic ᛟ.

Even alphabets constructit "frae scratch", i.e. nae derived frae Semitic, uisually hae similar fairms tae represent this soond, e.g.; the creators o the Afaka an Ol Chiki scripts, each inventit in different pairts o the warld in the last century, baith attributit thair vowels for 'O' tae the shape o the mooth when makin this soond.

Uisage[eedit | eedit soorce]

The letter O is the fowert maist common letter in the Inglis leid. O is maist commonly associatit wi the Open-mid back roondit vowel [ɔ], Mid back roondit vowel [o̞] or close-mid back roondit vowel [o] in mony leids. This fairm is colloquially termed the "lang o" as in boat in Inglis, but it is actually maist eften a diphthong /oʊ/ (realized dialectically onywhaur frae [o] tae [əʊ]). In Inglis thare is a "short O" as in fox, which an aa haes several pronunciations. In maist dialects o Breetish Inglis, it is either an open-mid back roondit vowel [ɔ] or an open back roondit vowel [ɒ]; in American Inglis, it is maist commonly an unroondit back tae a central vowel [ɑː] tae [a].

Common digraphs include 'oo', which represents either /uː/, /ʊ/ or /ʌ/; 'oi' which typically represents the diphthong /ɔɪ/, like the pronunciation o 'oi' in "boil"; an 'ao', 'oe', an 'ou' which represent a variety o pronunciations dependin on context an etymology.

Ither leids uise O for various values, uisually back vowels which are at least pairtly open. Derived letters such as Ö an Ø hae been creatit for the alphabets o some leids tae distinguish values that wur nae present in Latin an Greek, particularly roondit front vowels.

In the Internaitional Phonetic Alphabet, [o] represents the close-mid back roondit vowel.

Relatit letters an ither similar characters[eedit | eedit soorce]

Computin codes[eedit | eedit soorce]

Character O o
Unicode name LATIN CAIPITAL LETTER O     LATIN SMAA LETTER O
Encodings decimal hex decimal hex
Unicode 79 U+004F 111 U+006F
UTF-8 79 4F 111 6F
Numeric character reference O O o o
EBCDIC faimily 214 D6 150 96
ASCII 1 79 4F 111 6F
1 An aa for encodins based on ASCII, includin the DOS, Windows, ISO-8859 an Macintosh faimilies o encodins.

Ither representations[eedit | eedit soorce]

NATO phonetic Morse code
Oscar –––
ICS Oscar.svg Semaphore Oscar.svg ⠕
Signal flag Flag semaphore Braille

References[eedit | eedit soorce]

  1. "O" Oxford English Dictionary, 2nd edition (1989); Chambers-Happap, "oes" op. cit. Oes is the plural of the name of the letter. The plural of the letter itself is rendered Os, O's, os, o's.

Freemit airtins[eedit | eedit soorce]

  • Media relatit tae O at Wikimedie Commons
  • The dictionar defineetion o O at Wiktionar
  • The dictionar defineetion o o at Wiktionar


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 Ɵɵ Ɔɔ
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