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15-letter words containing o, p, e, r, a

  • absorption edge — a discontinuity in the graph of the absorption coefficient of a substance plotted against the wavelength of x-rays being absorbed, representing the minimum energy necessary to free electrons from particular shells of the atoms of the substance.
  • accordion pleat — one of a series of narrow, evenly spaced parallel pleats with alternating raised and recessed folds set into cloth or other material, usually by a commercial pleating machine.
  • actinopterygian — belonging or pertaining to the Actinopterygii, a group of bony fishes.
  • action reporter — a news reporter who reports to the public on matters of special interest to the consumer.
  • adjective group — An adjective group or adjectival group is a group of words based on an adjective, such as 'very nice' or 'interested in football'. An adjective group can also consist simply of an adjective.
  • adoption papers — documentation relating to the adoption of a particular child
  • adrenoreceptors — Plural form of adrenoreceptor.
  • aerial pingpong — Australian Rules football
  • aeroplane cloth — a strong fabric made from cotton, linen, and nylon yarns, used for some light aircraft fuselages and wings
  • age-appropriate — Something that is age-appropriate is suitable for the age that a person is.
  • air-superiority — designating a fighter aircraft built for long patrol capability at high altitudes and supersonic speeds, with air-to-air combat as its principal mission.
  • aix-en-provence — a city and spa in SE France: the medieval capital of Provence. Pop: 145 721 (2006)
  • alexandroupolis — a port in NE Greece, in W Thrace. Pop: 52 720 (2001 est)
  • algaroth powder — antimony oxychloride.
  • all mockered up — dressed up
  • allotetraploidy — the condition of being an allotetraploid
  • alopecia areata — loss of hair in circumscribed patches.
  • alpha geminorum — Castor
  • alpine accentor — a small bird of the sparrow family, Prunella collaris, found especially in mountain regions of S Europe and Asia
  • altar of repose — a pedestal or niche upon which the sacraments are preserved from Maundy Thursday to Good Friday.
  • american copper — a malleable, ductile, metallic element having a characteristic reddish-brown color: used in large quantities as an electrical conductor and in the manufacture of alloys, as brass and bronze. Symbol: Cu; atomic weight: 63.54; atomic number: 29; specific gravity: 8.92 at 20°C.
  • amyl propionate — a colorless liquid, C 8 H 16 O 2 , having an applelike odor, used chiefly as a scent in the manufacture of flavorings and perfume.
  • analog computer — a mechanical, electrical, or electronic computer that performs arithmetical operations by using some variable physical quantity, such as mechanical movement or voltage, to represent numbers
  • anamorphic lens — a component in the optical system of a film projector for converting standard 35mm film images into wide-screen format
  • anchorage point — a point to which something such as the straps securing a childseat can be safely attached
  • andrographolide — (organic compound) A bitter labdane diterpenoid that is the main bioactive component of the medicinal plant Andrographis paniculata, effective against certain cancers.
  • aneroid capsule — a box or chamber of thin metal, partially exhausted of air, used in the aneroid barometer and pressure altimeter.
  • angina pectoris — a sudden intense pain in the chest, often accompanied by feelings of suffocation, caused by momentary lack of adequate blood supply to the heart muscle
  • angle of repose — the maximum angle to the horizontal at which rocks, soil, etc, will remain without sliding
  • anteprohibition — before prohibition.
  • anteroposterior — Relating to or directed toward both front and back.
  • anthropocentric — regarding man as the most important and central factor in the universe
  • anthropogenesis — the study of the origins of man
  • anthropometrics — the science of measuring the size and proportions of the human body (called anthropometry), especially as applied to the design of furniture and machines.
  • anthropophagite — a cannibal
  • anti-censorship — the act or practice of censoring.
  • anti-productive — having the power of producing; generative; creative: a productive effort.
  • antiprogressive — opposed to or acting against progression in society
  • apartment block — building: flats, apartments
  • apartment hotel — a hotel that rents furnished apartments or suites suitable for housekeeping, on a weekly or more permanent basis, and usually supplies all hotel services.
  • apartment house — a building containing a number of residential apartments.
  • aphrodite terra — a large plateau region that stretches approximately halfway around the middle latitude of Venus.
  • apolipoproteins — Plural form of apolipoprotein.
  • apollo asteroid — one of a number of asteroids whose orbits cross that of the earth.
  • apollo computer — (company)   A company making workstations often used for CAD. From 1980 to 1987, Apollo were the largest manufacturer of network workstations. Apollo workstations ran Aegis, a proprietary operating system with a Posix-compliant Unix alternative frontend. Apollo's networking was particularly elegant, among the first to allow demand paging over the network, and allowing a degree of network transparency and low sysadmin-to-machine ratio that is still unmatched. Apollo's largest customers were Mentor Graphics (electronic design), GM, Ford, Chrysler, and Boeing (mechanical design). Apollo was acquired by Hewlett-Packard in 1989, and gradually closed down over the period 1990-1997.
  • apostle pitcher — a stoneware pitcher decorated in relief with figures of the apostles.
  • apostles' creed — a concise statement of Christian beliefs dating from about 500 ad, traditionally ascribed to the Apostles
  • appellate court — In the United States, an appellate court is a special court where people who have been convicted of a crime can appeal against their conviction.
  • apple-pie order — perfect order or condition
  • apprentice work — work done when young and a novice

On this page, we collect all 15-letter words with O-P-E-R-A. It’s easy to find right word with a certain length. It is the easiest way to find 15-letter word that contains in O-P-E-R-A to use in Scrabble or Crossword puzzles

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