O meaning: Letter, fifteenth in English alphabet

We found 24 dictionaries that define the word o:

General (15 matching dictionaries)

-o, -o-, o-: Merriam-Webster.com
-o, -o-, o-: Oxford Learner's Dictionaries
O'-, -o, -o-, o-: Collins English Dictionary
O', -o, -o-, o', o-: Wiktionary
-o, o-: Webster's New World College Dictionary, 4th Ed.
o-: The Wordsmyth English Dictionary-Thesaurus
O(M&T), -o, -o-, o-: Dictionary.com
O(1), O(2), O(n), O-, O (Cirque du Soleil), O (Coldplay song), O (Cyrillic), O (Damien Rice album), O (Disambiguation), O (Eiko Shimamiya album), O (Flowers of Hell album), O (Maki Ohguro album), O (Oh!), O (Omarion album), O (Omarion song), O (Tilly and the Wall album), O (disambiguation), O (film), O (gesture), O (kana), O (letter), O (surname), The O (political group), The O, -o: Wikipedia, the Free Encyclopedia
O': Online Plain Text English Dictionary
O': AllWords.com Multi-Lingual Dictionary
-o: MyWord.info
-o: Stammtisch Beau Fleuve Acronyms
O'-, o-: Dictionary/thesaurus
O: Dictionary of Phrase and Fable (1898)
o: AllWords.com Multi-Lingual Dictionary

Business (1 matching dictionary)

o-: Financial dictionary

Computing (1 matching dictionary)

O(1,3), O(2), O(3), O(3,1), O (element), o-: Encyclopedia

Medicine (1 matching dictionary)

O (element), -o-, o-: Medical dictionary

Miscellaneous (2 matching dictionaries)

O(M&T): Acronym Finder
AbbreviationZ (No longer online)

Science (2 matching dictionaries)

O(2): PlanetMath Encyclopedia
O( ), O( ), o( ), o( ): Prime

Slang (2 matching dictionaries)

O: Green’s Dictionary of Slang
O'----, O-, o-, o.-, the o: Urban Dictionary

(Note: See o's as well.)

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Definitions from Wiktionary (O)

▸ noun:  The name of the Latin-script letter O/o.
▸ noun:  A zero (used in reading out numbers).
▸ noun:  (IRC, acronym of) Operator
▸ noun:  (acronym of) Object, see SVO
▸ adjective:  Over
▸ noun:  Something shaped like the letter O.
▸ noun:  (uncountable) A blood type that lacks A or B antigens and may only receive transfusions of similar type O blood, but may donate to all (neglecting Rh factor). Synonym: universal donor.
▸ noun:  (printing) American Library Association abbreviation of octavo, a book size (20-25 cm).
▸ noun:  (soccer) Someone associated with Leyton Orient Football Club, as a player, coach, supporter etc.
▸ noun:  (cricket) The number of overs bowled.
▸ noun:  (slang) Orgasm.
▸ noun:  (slang, uncountable) Opium.
▸ noun:  A surname from Korean.
▸ noun:  A surname from Mandarin Chinese.
▸ adjective:  (Singapore, colloquial, after kopi (“coffee”) or teh (“tea”)) With sugar and no condensed milk added.
▸ adjective:  (historical) Abbreviation of morally offensive. (film classification of the National Legion of Decency)
▸ adjective:  (Judaism) Abbreviation of Orthodox. [(Christianity) Of or pertaining to the Orthodox Churches collectively.]
▸ noun:  Alternative form of E (Ancient Chinese Kingdom) [(slang) The drug ecstasy (MDMA), particularly in pill form.]

Similar:

bone, osmium, operating system, atomic number 76, bf, hea, pos, tr, sop, Af, more...

Opposite:

inside, internal, interior, inward, central

Types:

zero, oh, letter o, numeral o, circle o, big o, small o, more...

Phrases:

o f, h o, t o, o n, I o, more...

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