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Meaning of OR

Pronunciation:  aw

WordNet Dictionary
  1. [n]  a room in a hospital equipped for the performance of surgical operations; "great care is taken to keep the operating rooms aseptic"
  2. [n]  a state in northwestern United States on the Pacific

OR is a 2 letter word that starts with O.


 Synonyms: Beaver State, operating room, operating theater, operating theatre, Oregon, surgery
 See Also: America, American state, Bend, capital of Oregon, Crater Lake National Park, emergency room, Eugene, hospital room, Klamath, Klamath Falls, Klamath River, Medford, Portland, Salem, U.S., U.S.A., United States, United States of America, US, USA, Willamette, Willamette River



Webster's 1913 Dictionary
  1. \-or\ [L. -or: cf. OF. -or, -ur, -our, F. -eur.]
    1. A noun suffix denoting an act; a state or quality; as in
       error, fervor, pallor, candor, etc.
    2. A noun suffix denoting an agent or doer; as in auditor,
       one who hears; donor, one who gives; obligor, elevator. It
       is correlative to -ee. In general -or is appended to words
       of Latin, and -er to those of English, origin. See {-er}.
  2. \Or\, conj. [OE. or, outher, other, auther, either, or, AS.
    [=a]w?er, contr. from [=a]hw[ae]?er; [=a] aye + hw[ae]?er
    whether. See {Aye}, and {Whether}, and cf. {Either}.]
    A particle that marks an alternative; as, you may read or may
    write, -- that is, you may do one of the things at your
    pleasure, but not both. It corresponds to either. You may
    ride either to London or to Windsor. It often connects a
    series of words or propositions, presenting a choice of
    either; as, he may study law, or medicine, or divinity, or he
    may enter into trade.
          If man's convenience, health, Or safety interfere, his
          rights and claims Are paramount.         --Cowper.
    Note: Or may be used to join as alternatives terms expressing
          unlike things or ideas (as, is the orange sour or
          sweet?), or different terms expressing the same thing
          or idea; as, this is a sphere, or globe.
    Note: Or sometimes begins a sentence. In this case it
          expresses an alternative or subjoins a clause differing
          from the foregoing. ``Or what man is there of you, who,
          if his son shall ask him for a loaf, will give him a
          stone?'' --Matt. vii. 9 (Rev. Ver. ). Or for either is
          archaic or poetic.
                Maugre thine heed, thou must for indigence Or
                steal, or beg, or borrow thy dispence. --Chaucer.
  3. \Or\, prep. & adv. [AS. ?r ere, before. [root]204. See {Ere},
    prep. & adv.]
    Ere; before; sooner than. [Obs.]
          But natheless, while I have time and space, Or that I
          forther in this tale pace.               --Chaucer.
    {Or ever}, {Or ere}. See under {Ever}, and {Ere}.
  4. \Or\, n. [F., fr. L. aurum gold. Cf. {Aureate}.] (Her.)
    Yellow or gold color, -- represented in drawing or engraving
    by small dots.
Computing Dictionary

The boolean function which is true if any of its arguments are true. Its truth table is:

 A | B | A OR B
 F | F |    F
 F | T |    T
 T | F |    T
 T | T |    T

Thesaurus Terms
 Related Terms: achievement, alerion, and/or, animal charge, annulet, argent, armorial bearings, armory, arms, aureate, aureateness, auric, azure, bandeau, bar, bar sinister, baton, bearings, beige, bend, bend sinister, billet, blazon, blazonry, bordure, broad arrow, buff, buff-yellow, cadency mark, canary, canary-yellow, canton, chaplet, charge, chevron, chief, citron, citron-yellow, coat of arms, cockatrice, coronet, cream, creamy, crescent, crest, cross, cross moline, crown, device, difference, differencing, eagle, ecru, ermine, ermines, erminites, erminois, escutcheon, falcon, fallow, fallowness, fess, fess point, field, file, flanch, flaxen, fleur-de-lis, fret, fur, fusil, garland, gilded, gilt, gold, gold-colored, golden, griffin, gules, gyron, hatchment, helmet, heraldic device, honor point, impalement, impaling, inescutcheon, label, lemon, lemon-yellow, lion, lozenge, luteolous, lutescent, mantling, marshaling, martlet, mascle, metal, motto, mullet, nombril point, ocherish, ocherous, ochery, ochreous, ochroid, ochrous, ochry, octofoil, ordinary, orle, pale, paly, pean, pheon, primrose, primrose-colored, primrose-yellow, purpure, quarter, quartering, rose, sable, saffron, saffron-colored, saffron-yellow, sallow, saltire, sand-colored, sandy, scutcheon, shield, spread eagle, straw, straw-colored, subordinary, tenne, tincture, torse, tressure, unicorn, vair, vert, wreath, xanthic, xanthous, yale, yellow, yellowish, yellowishness, yellowness