Definition of Or in English :

Define Or in English

Or meaning in English

Meaning of Or in English

Pronunciation of Or in English

Or pronunciation in English

Pronounce Or in English

Or

see synonyms of or

Noun

1. beaver state, or, oregon

a state in northwestern United States on the Pacific

2. operating room, operating theater, operating theatre, or, surgery

a room in a hospital equipped for the performance of surgical operations

Example Sentences:
'great care is taken to keep the operating rooms aseptic'

WordNet Lexical Database for English. Princeton University. 2010.


Or

see synonyms of or
conjunction (coordinating)
1. 
used to join alternatives
apples or pears
apples or pears or cheese
apples, pears, or cheese
2. 
used to join rephrasings of the same thing
to serve in the army, or rather to fight in the army
twelve, or a dozen
3. 
used to join two alternatives when the first is preceded by either or whether
whether it rains or not we'll be there
either yes or no
4.  one or two
5.  or else
6. 
a poetic word for either or whether as the first element in correlatives, with or also preceding the second alternative
conjunction
1. (subordinating; foll by ever or ere)
before; when
preposition
2. 
before
adjective
(usually postpositive) heraldry
of the metal gold
abbreviation for
1. 
operations research
2. 
Oregon
3. military
other ranks

Collins English Dictionary. Copyright © HarperCollins Publishers


Or

see synonyms of or
1. 
operating room
2. 
Oregon
conjunction
a coordinating conjunction introducing an alternative
; specif.,
a. 
introducing the second of two possibilities
beer or wine
b. 
introducing any of the possibilities in a series, but usually used only before the last
apples or pears or plums; apples, pears, or plums
c. 
introducing a synonymous word or phrase
botany, or the science of plants
d. 
introducing the second of two possibilities when the first is introduced by either or whether
either go or stay; decide whether to go or stay
e.  OLD-FASHIONED, Poetic
substituted for either or whether as the first correlative
or in the heart or in the head”
conjunction, preposition
Chiefly Dialectal
before; ere
noun
Heraldry
the representation of the metal gold: indicated in engravings by small black dots on a white field

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


Or

see synonyms of or
conj.
1.
a. Used to indicate an alternative, usually only before the last term of a series: hot or cold; this, that, or the other.
b. Used to indicate the second of two alternatives, the first being preceded by either or whether: Your answer is either ingenious or wrong. I didn't know whether to laugh or cry.
c. Archaic Used to indicate the first of two alternatives, with the force of either or whether.
2. Used to indicate a synonymous or equivalent expression: acrophobia, or fear of great heights.
3. Used to indicate uncertainty or indefiniteness: two or three.
suff.
One that performs a specified action: accelerator.
n.
A logical operator that returns a true value if one or both operands are true.
conj.
Before. Followed by ever or ere: "I doubt he will be dead or ere I come" (Shakespeare).
prep.
Before.
suff.
State; quality; activity: valor.
abbr.
1. operating room
2. operations research
3. Oregon
n.
Heraldry
Gold, represented in heraldic engraving by a white field sprinkled with small dots.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.