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11-letter words containing b, o, r

  • obscurities — Plural form of obscurity.
  • obsecration — to entreat solemnly; beseech; supplicate.
  • observables — Plural form of observable.
  • observances — Plural form of observance.
  • observantly — quick to notice or perceive; alert.
  • observation — an act or instance of noticing or perceiving.
  • observative — Observant; watchful.
  • observatory — a place or building equipped and used for making observations of astronomical, meteorological, or other natural phenomena, especially a place equipped with a powerful telescope for observing the planets and stars.
  • observingly — Attentively, observantly.
  • obsignatory — (obsolete) Ratifying; confirming by sealing.
  • obstetrical — of or relating to the care and treatment of women in childbirth and during the period before and after delivery.
  • obstriction — the condition of being under an obligation, or a duty or compulsion that causes obligation
  • obstructing — Present participle of obstruct.
  • obstruction — something that obstructs, blocks, or closes up with an obstacle or obstacles; obstacle or hindrance: obstructions to navigation.
  • obstructive — to block or close up with an obstacle; make difficult to pass: Debris obstructed the road.
  • obtemperate — (obsolete) To obey.
  • obtrusively — having or showing a disposition to obtrude, as by imposing oneself or one's opinions on others.
  • obumbration — the action of making dim, dark, obfuscated, or eclipsed
  • oil embargo — a prohibition of the trade of petroleum from one country to another
  • oil-burning — that uses paraffin, esp as a domestic fuel
  • oktoberfest — a traditional festival held each October in Munich, Germany.
  • old british — Brythonic as used before a.d. 800.
  • olive brown — a dull yellowish-brown to yellowish-green colour
  • ombrogenous — (of plants) able to flourish in wet conditions
  • omnibearing — the magnetic bearing of an omnirange station.
  • onyx marble — Mexican onyx.
  • opera buffa — an Italian farcical comic opera originating in the 18th century and containing recitativo secco, patter songs, and ensemble finales.
  • operability — that can be treated by a surgical operation. Compare inoperable (def 2).
  • opprobrious — conveying or expressing opprobrium, as language or a speaker: opprobrious invectives.
  • orange book — (security, standard)   A standard from the US Government National Computer Security Council (an arm of the U.S. National Security Agency), "Trusted Computer System Evaluation Criteria, DOD standard 5200.28-STD, December 1985" which defines criteria for trusted computer products. There are four levels, A, B, C, and D. Each level adds more features and requirements. D is a non-secure system. C1 requires user log-on, but allows group ID. C2 requires individual log-on with password and an audit mechanism. (Most Unix implementations are roughly C1, and can be upgraded to about C2 without excessive pain). Levels B and A provide mandatory control. Access is based on standard Department of Defense clearances. B1 requires DOD clearance levels. B2 guarantees the path between the user and the security system and provides assurances that the system can be tested and clearances cannot be downgraded. B3 requires that the system is characterised by a mathematical model that must be viable. A1 requires a system characterized by a mathematical model that can be proven. See also crayola books, book titles.
  • orbicularis — a muscle surrounding an opening
  • orbicularly — In an orbicular fashion.
  • ordeal bean — Calabar bean.
  • order about — to bully or domineer
  • organizable — to form as or into a whole consisting of interdependent or coordinated parts, especially for united action: to organize a committee.
  • orthoborate — (inorganic chemistry) Any anion derived from orthoboric acid; any salt containing this anion.
  • otter board — one of a pair of large, heavy, square or rectangular plates or boards of metal or weighted wood attached to the trawl lines on each side of the mouth of a trawl net to maintain lateral spread during trawling.
  • ouija board — board used by spiritualists
  • outbreaking — The act of breaking out.
  • outbreeding — to breed selected individuals outside the limits of the breed or variety.
  • outer banks — chain of long, narrow, sandy islands, along the coast of N.C.
  • outnumbered — to exceed in number.
  • over-budget — costing or being more than the amount alloted or budgeted: The building is half-finished and it's already overbudget.
  • overbalance — to outweigh: The opportunity overbalances the disadvantages of leaving town.
  • overballast — (transitive) To load with too much ballast.
  • overbearing — domineering; dictatorial; haughtily or rudely arrogant.
  • overbetting — the activity or practice of betting more than the usual or permitted amount
  • overbidding — Present participle of overbid.
  • overblanket — a blanket that is placed on a bed on top of the other bedding
  • overblouses — Plural form of overblouse.
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