O is the fifteenth letter of the English alphabet.
2. number
O is used to mean zero, for example when you are telling someone a phone number, or mentioning a year such as 1908.
[spoken]
3. exclamation
O is used in exclamations, especially when you are expressing strong feelings.
[literary, feelings]
O how mistaken you are!
O God, I want to go home.
4. See also oh
5.
O is used as an abbreviation for words beginning with o, such as 'old' or 'organization'.
o'
(ə)
1. preposition
O' is used in written English to represent the word 'of' pronounced in a particular way.
I lost a lot o' blood.
Can we have a cup o' coffee, please?
2. See also o'clock
o in British English
or O (əʊ)
nounWord forms: pluralo's, O's or Os
1.
the 15th letter and fourth vowel of the modern English alphabet
2.
any of several speech sounds represented by this letter, in English as in code, pot, cow, move, or form
3. another name for nought
O in British English1
symbol for
1. chemistry
oxygen
2.
a human blood type of the ABO group
universal donor
3. logic
a particular negative categorial proposition, such as some men are not married: often symbolized as SoP
Compare A, E, I2
abbreviation for
4. Australian slang
offence
Word origin
(for sense 3) from Latin (neg)o I deny
O in British English2
(əʊ)
exclamation
1. a variant spelling of oh
2.
an exclamation introducing an invocation, entreaty, wish, etc
O God!
O for the wings of a dove!
o' in British English
(ə)
preposition
informal or archaic shortened form of of
a cup o' tea
o- in British English
prefix
short for ortho- (sense 4)
O'- in British English
prefix
(in surnames of Irish Gaelic origin) descendant of
O'Corrigan
Word origin
from Irish Gaelic ó, ua descendant
-o in British English
suffix
forming informal and slang variants and abbreviations, esp of nouns
wino
lie doggo
Jacko
Word origin
probably special use of oh
-o- in British English
connective vowel
used to connect elements in a compound word
chromosome
filmography
Compare -i-
Word origin
from Greek, stem vowel of many nouns and adjectives in combination
O in American English1
(oʊ)
nounWord forms: pluralO's
1. Popularly
the figure zero; nought
in printed matter, zero is usually differentiated from the letter O, as in this dictionary: “O” is the character used for the letter, “0” is the characterused for the number
2.
a blood type
see also ABO system
O in American English2
(oʊ)
interjection
1.
used in direct address
O Lord!
2.
used to express surprise, wonder, fear, pain, etc.
now usually oh
3.
used at the end of a line in some ballads
nounWord forms: pluralO's
4.
an instance of this exclamation
O in American English3
1.
Ocean
2.
October
3.
Ohio
4. Physics
ohm
5. Linguistics
Old
OFr
6.
Ontario
7. Baseball
out(s)
8. Pharmacy
pint
Word origin
(sense 8) L octarius
O in American English4
Chemistry
oxygen
o in American English1
(oʊ) or O (oʊ)
nounWord forms: pluralO's or o's
1.
the fifteenth letter of the English alphabet: from the Greek omega and omicron, both borrowed from the Phoenician
2.
any of the speech sounds that this letter represents, as, in English, the vowel ( (oʊ) ) of boat, ( (ɑ) ) of hot, or ( (ɔ) ) of wrong
3.
a type or impression for o or O
4.
the fifteenth in a sequence or group
5.
an object shaped like O
adjective
6.
of o or O
7.
fifteenth in a sequence or group
8.
shaped like O; circular or oval in shape
o in American English2
1.
octavo
2.
old
3.
only
o' in American English
(oʊ; ə)
preposition
of1
will-o'-the-wisp
O'- in American English
(oʊ)
descendant of
used in Irish surnames
O'Reilly
Word origin
Ir ō, descendant
o- in American English
Chemistry
ortho- (sense 4) ortho- (sense 4b)
usually italicized and hyphenated in chemical names
-o in American English
(oʊ)
1.
forming slangy, intensive counterparts of adjectives, nouns, and interjections
cheapo, freako
2.
forming slang nouns from adjectives
weirdo, sicko
Word origin
clipped < words ending in -o (e.g. hippo, steno, gringo)
-o- in American English
(oʊ; ɑ; ə)
forming compound words
a connective vowel originally used for combining Greek elements only, but now usedfreely
sadomasochism, meritocracy
Examples of 'o' in a sentence
o
Nicaragua, Wednesday, l o July 1985 Veronica, my darling.
O'Connor, Joe DESPERADOES
At nine o ' clock, the bottle empty, he rose unsteadily from his chair.
Lewis, Roy A TROUT IN THE MILK
There was a car reported stolen from Disraeli Street between nine-thirty and eleven o ' clock on the night Leanne Wray disappeared.
Peter Robinson AFTERMATH (2001)
Midnight at the Stanhope Gate was only a marginal improvement on three o 'clock in the porch of St. Georges.
Stephanie Laurens WHOLE SECRET LOVE (2001)
{ 5 } B U T M O S T O F T H E T I M E there was no one there.
Gee, Maggie LOST CHILDREN
At the sight of him glaring at her ominously, she gasped ` O Madonna!
Low, Ona MURKY SHALLOWS
She looked into the register and noted a line of discreet O 's indicating that Rose was absent.
Cassidy, Anne IN REAL LIFE
Definition of 'O'
Chinese translation of 'O'
O
or o
(əu)
n(c/u)
(= letter) 英语的第十五个字母
(US, Scol, = outstanding) 优(優)秀 (yōuxiù)
(Tel , = number) 零 (líng)
see usage note
nought
Nearby words of
O
NW
nylon
NZ
O
o'clock
o.n.o.
oak
All related terms of 'O'
oh
( beginning reply ) 哦 ò
c/o
care of 由 ... 转(轉)交 yóu ... zhuǎnjiāo
Jell-O
果冻(凍) guǒdòng [ 英 = jelly ]
no
( opposite of "yes" ) 不 bù
oh no!
噢不! Ō bù!
oh well
噢,那好吧 ō, nà hǎo ba
well
( for water ) 井 jǐng [ 口 kǒu ]
do
( be engaged in, achieve ) 做 zuò
oh do shut up!
噢,赶(趕)快闭(閉)嘴吧! Ō, gǎnkuài bìzuǐ ba!
"we haven't been there before" — "oh haven't you?"
"我们(們)以前没(沒)去过(過)那儿(兒)" "噢,是吗(嗎)?" "wǒmen yǐqián méi qùguo nàr" "Ō, shì ma?"