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12-letter words starting with op

  • opalescently — In an opalescent manner.
  • open account — current account (def 1).
  • open channel — An open channel is a type of flow in which one surface is free (= not restricted by anything).
  • open circuit — a discontinuous circuit through which no current can flow.
  • open cluster — a comparatively young, irregularly shaped group of stars, often numbering up to several hundred, and held together by mutual gravitation; usually found along the central plane of the Milky Way and other galaxies.
  • open couplet — a couplet that concludes with a run-on line.
  • open desktop — (operating system, product)   A Motif-based graphical interface from the Santa Cruz Operation (SCO), built over their Unix environment, part of the ACE initiative. Also known as "Open DeathTrap".
  • open primary — a direct primary election in which voters need not meet a test of party membership.
  • open slather — to spread or apply thickly: to slather butter on toast.
  • open texture — the failure of natural languages to determine future usage, particularly the ability of predicates to permit the construction of borderline cases
  • open trailer — any dog that barks or bays on the trail of its quarry.
  • open verdict — law: coroner's jury finding
  • open-concept — (in a house or office) having few or no internal walls or partitions
  • open-hearted — unreserved, candid, or frank: open-hearted advice.
  • open-mouthed — having the mouth open.
  • opendocument — (file format, standard)   (ODF, ISO/IEC 26300, OASIS Open Document Format for Office Applications) An XML file format for office documents, such as spreadsheets, charts, presentations, databases and word processing. OpenDocument was developed by the Open Office XML technical committee of the Organization for the Advancement of Structured Information Standards (OASIS) consortium. It is based on the XML format originally created and implemented by the OpenOffice.org office suite. OpenDocument is an open standard, i.e. freely available and implementable. Compare OOXML.
  • opening time — You can refer to the time that a shop, bank, library, or bar opens for business as its opening time.
  • opera bouffe — a comic opera, especially of farcical character.
  • opera singer — a professional singer of opera
  • opera window — a narrow, fixed window on each side of the rear passenger compartment of an automobile.
  • operatically — of or relating to opera: operatic music.
  • operationism — the doctrine that the meaning of a scientific term, concept, or proposition consists of the operation or operations performed in defining or demonstrating it.
  • operatorless — Without an operator (person who operates); fully automatic.
  • operatorship — (in the oil and gas industries) the right to operate a well, field, or other oil source.
  • ophiolatrous — of, relating to, or practising snake-worshipping
  • ophiomorphic — snakelike in form, or resembling the form of a snake
  • ophiophagous — eating snakes.
  • ophiophilist — a person who loves snakes
  • ophthalmitis — ophthalmia.
  • ophthamology — Misspelling of ophthalmology.
  • opinion poll — survey of public attitudes
  • opinionately — in a conceited or vain manner
  • opinionating — Present participle of opinionate.
  • opinionative — of, relating to, or of the nature of opinion.
  • opinionators — Plural form of opinionator.
  • opinionnaire — A form containing a list of statements, each of which the members of a selected group are asked to endorse or reject; the purpose being to gather information for a survey.
  • opisthodomos — Also called posticum. a small room in the cella of a classical temple, as for a treasury.
  • opisthograph — a manuscript, parchment, or book having writing on both sides of the leaves.
  • opisthotonic — of or relating to opisthotonos
  • opisthotonos — Spasm of the muscles causing backward arching of the head, neck, and spine, as in severe tetanus, some kinds of meningitis, and strychnine poisoning.
  • opium addict — someone who is addicted to the dried juice extracted from the unripe seed capsules of the opium poppy
  • opportunists — Plural form of opportunist.
  • opposability — capable of being placed opposite to something else: the opposable thumb of primates.
  • opposite sex — man if woman, woman if man
  • oppositeness — The state or condition of being opposite.
  • oppositional — the action of opposing, resisting, or combating.
  • oppressional — Exhibiting or relating to oppression.
  • oppressively — burdensome, unjustly harsh, or tyrannical: an oppressive king; oppressive laws.
  • opsonisation — Alternative form of opsonization.
  • opsonization — to increase the susceptibility of (bacteria) to ingestion by phagocytes.

On this page, we collect all 12-letter words starting with OP. It’s easy to find right word with a certain length. It is the easiest way to find 12-letter word that beginning with OP to use in Scrabble or Crossword puzzles.

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