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15-letter words containing o, r, n

  • agro-industrial — the large-scale production, processing, and packaging of food using modern equipment and methods.
  • air conditioned — If a room or vehicle is air conditioned, the air in it is kept cool and dry by means of a special machine.
  • air conditioner — An air conditioner is a machine which keeps the air in a building cool and dry.
  • airborne attack — an attack involving airborne troops
  • airconditioning — Alternative spelling of air conditioning.
  • airing cupboard — In British houses, an airing cupboard is a warm cupboard where you put clothes and other things that have been washed and partly dried, to make sure they are completely dry.
  • airmail edition — an edition of a newspaper that is printed on very thin paper so it is easier and cheaper to distribute
  • aix-en-provence — a city and spa in SE France: the medieval capital of Provence. Pop: 145 721 (2006)
  • albany congress — a meeting of delegates from seven American colonies, held in 1754 at Albany, New York, at which Benjamin Franklin proposed a plan (Albany Plan of Union) for unifying the colonies.
  • albemarle sound — an inlet of the Atlantic in NE North Carolina. Length: about 96 km (60 miles)
  • alder buckthorn — a Eurasian rhamnaceous shrub, Frangula alnus, with small greenish flowers and black berry-like fruits
  • alexandroupolis — a port in NE Greece, in W Thrace. Pop: 52 720 (2001 est)
  • all-or-none law — the principle that under given conditions the response of a nerve or muscle fiber to a stimulus at any strength above the threshold is the same: the muscle or nerve responds completely or not at all.
  • allegoricalness — the quality of being allegorical
  • allorecognition — The ability of an individual organism to distinguish its own tissues from those of another.
  • allotransplants — Plural form of allotransplant.
  • almirante brown — a city in E Argentina, near Buenos Aires.
  • alpha geminorum — Castor
  • alpha radiation — alpha particles emitted from a radioactive isotope
  • alpine accentor — a small bird of the sparrow family, Prunella collaris, found especially in mountain regions of S Europe and Asia
  • alsace-lorraine — an area of NE France, comprising the modern regions of Alsace and Lorraine: under German rule 1871–1919 and 1940–44. Area: 14 522 sq km (5607 sq miles)
  • alta california — a former Spanish colony of New Spain, in the modern-day states of California, Nevada, and N Arizona: ceded by Mexico to the United States 1848.
  • aluminum borate — a white, granular, water-insoluble powder, 2Al 2 O 3 ⋅B 2 O 3 ⋅3H 2 O, used chiefly in the manufacture of crown glass.
  • aluminum bronze — any of several alloys containing a high percentage of copper with from 5 to 11 percent aluminum and varying amounts of iron, nickel, manganese, and other elements.
  • ambrose channel — a ship channel at the entrance to New York harbor, near Sandy Hook. 7½ miles (12 km) long.
  • ambrosian chant — the liturgical chant, established by Saint Ambrose, characterized by ornamented, often antiphonal, singing.
  • 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.
  • american cotton — upland cotton.
  • american gothic — a painting (1930) by Grant Wood.
  • american legion — an association of former member of the US armed forces
  • american smooth — a style of competitive ballroom dancing which incorporates elements of Latin dance
  • american wigeon — a bird of North America, Anas americana, that is similar to the wigeon; the male has a white crown
  • americanization — Americanization is the process by which people or countries become more and more similar to Americans and the United States.
  • americanologist — a foreign expert or specialist in American cultural or political matters: a leading Americanologist in the Kremlin.
  • 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.
  • an axe to grind — an ulterior motive
  • anacostia river — a river in the District of Columbia flowing into the Potomac River. about 24 miles (39 km) long.
  • 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
  • analogous color — Art. any one of a group of related colors that are near each other on the color wheel, a circular chart that shows gradations of color: Red, orange, and yellow are analogous colors. Compare complementary color (def 1a).
  • 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
  • ancient history — Ancient history is the history of ancient civilizations, especially Greece and Rome.
  • andrew of crete — a.d. c650–730, Greek poet and Orthodox archbishop of Crete.
  • andrographolide — (organic compound) A bitter labdane diterpenoid that is the main bioactive component of the medicinal plant Andrographis paniculata, effective against certain cancers.
  • andromonoecious — (of a plant species) having hermaphrodite and male flowers on the same plant
  • androstenedione — a weak hormone, C19H26O2, produced by the ovaries, testes, and adrenal glands as a precursor to estrogen, testosterone, etc.: formerly taken in a concentrated tablet or capsule form as by some bodybuilders
  • aneroid capsule — a box or chamber of thin metal, partially exhausted of air, used in the aneroid barometer and pressure altimeter.
  • anfractuosities — Plural form of anfractuosity.
  • 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
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