or

5 ENTRIES FOUND:

1or

conjunction \ər, ˈr, Southern also ˈär\

Definition of OR

1
—used as a function word to indicate an alternative <coffee or tea> <sink or swim>, the equivalent or substitutive character of two words or phrases <lessen or abate>, or approximation or uncertainty <in five or six days>
2
archaic :  either
3
archaic :  whether
4
—used in logic as a sentential connective that forms a complex sentence which is true when at least one of its constituent sentences is true — compare disjunction

Origin of OR

Middle English, alteration of other, alteration of Old English oththe; akin to Old High German eddo or
First Known Use: 13th century

2or

preposition

Definition of OR

archaic
:  before

Origin of OR

Middle English, from or, adverb, early, before, from Old Norse ār; akin to Old English ǣr early — more at ere
First Known Use: 13th century

3or

conjunction

Definition of OR

archaic
:  before

First Known Use of OR

13th century

4or

noun \ˈr\

Definition of OR

:  the heraldic color gold or yellow

Origin of OR

Middle English, from Anglo-French, gold, from Latin aurum — more at aureus
First Known Use: 15th century

1OR

noun \ˈr\

Definition of OR

:  a logical operator that requires either of two inputs to be present or conditions to be met for an output to be made or a statement to be executed <OR gate in a computer>

Origin of OR

1or
First Known Use: circa 1956

Other Computer-Related Terms

adware, flash, kludge, phishing, recursive, router

2OR

abbreviation

Definition of OR

1
operating room
2
operational research; operations research
3
Oregon
4
owner's risk
5
own recognizance

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