OR

Oregon, Beaver State, OR, Ore.

(noun) a state in northwestern United States on the Pacific

Source: WordNet® 3.1

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Etymology 1

Conjunction

or

Connects at least two alternative words, phrases, clauses, sentences, etc. each of which could make a passage true. In English, this is the "inclusive or." The "exclusive or" is formed by "either […] or".

(logic) An operator denoting the disjunction of two propositions or truth values. There are two forms, the inclusive or and the exclusive or.

Counts the elements before and after as two possibilities.

Otherwise (a consequence of the condition that the previous is false).

Connects two equivalent names.

Synonyms

• and/or

Etymology 2

From Etymology 1 (sense 2 above)

Noun

or (plural ors)

(logic, electronics) Alternative form of OR

Etymology 3

Noun

or (countable and uncountable, plural ors)

(tincture) The gold or yellow tincture on a coat of arms.

Synonyms

• (gold or yellow tincture): o, Or

Adjective

or (not comparable)

(tincture) Of gold or yellow tincture on a coat of arms.

Synonyms

• gold

Etymology 4

Adverb

or

(obsolete) Early (on).

(obsolete) Earlier, previously.

Preposition

or

(now, archaic or dialect) Before; ere.

Anagrams

• R&O, RO, r/o

Conjunction

OR

(logic) Inclusive or; either one proposition or the other is true or both.

(computer science) A lexical symbol to implement inclusive or in a computer language.

(electrical engineering) A logical gate to implement inclusive or.

Noun

OR (uncountable)

(logic) The binary operator inclusive or, true if one at least one of two inputs is true. In infix notation.

OR (countable and uncountable, plural ORs)

(healthcare, countable) Initialism of operating room.

(sciences, uncountable) Initialism of operations research.

(sports, countable) Initialism of Olympic Record.

(anatomy, countable) Initialism of odorant receptor.

(anatomy, countable) Initialism of olfactory receptor.

(Wiktionary and WMF jargon) Initialism of original research.

Synonyms

• ∨

Antonyms

• NOR

Proper noun

OR

Oregon, a state of the United States of America.

Orissa, a state of India.

Anagrams

• R&O, RO, r/o

Source: Wiktionary

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