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15-letter words containing o, r, n, i

  • 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.
  • 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.
  • 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.
  • 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
  • angustirostrate — having a narrow, beak-like part
  • animal behavior — behavior (def 2).
  • animal charcoal — carbon obtained from the carbonization of organic tissue of animals.
  • anisotropically — Physics. of unequal physical properties along different axes. Compare isotropic (def 1).
  • annapolis royal — a town in SE Canada in W Nova Scotia on an arm of the Bay of Fundy: the first settlement in Canada (1605). Pop: 550 (2001)
  • anne of austria — 1601–66, wife of Louis XIII of France and daughter of Philip III of Spain: regent of France (1643–61) for her son Louis XIV
  • antarctic ocean — the sea surrounding Antarctica, consisting of the most southerly parts of the Pacific, Atlantic, and Indian Oceans
  • anteprohibition — before prohibition.
  • anteroposterior — Relating to or directed toward both front and back.
  • anthropobiology — the biological study of the human species
  • anthropocentric — regarding man as the most important and central factor in the universe
  • anthropogenesis — the study of the origins of man
  • anthropological — the science that deals with the origins, physical and cultural development, biological characteristics, and social customs and beliefs of humankind.
  • anthropologists — Plural form of anthropologist.
  • 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.
  • anthropomorphic — Anthropomorphic means relating to the idea that an animal, a god, or an object has feelings or characteristics like those of a human being.
  • anthropopathism — ascription of human passions or feelings to a being or beings not human, especially to a deity.
  • anthropophagite — a cannibal
  • anthropopsychic — the attribution of consciousness to divine beings and nature
  • anthroposophist — A proponent of anthroposophy.
  • anti-censorship — the act or practice of censoring.
  • anti-commercial — of, relating to, or characteristic of commerce.
  • anti-conformist — a person who conforms, especially unquestioningly, to the usual practices or standards of a group, society, etc.
  • anti-corruption — the act of corrupting or state of being corrupt.
  • anti-globalizer — a political activist who challenges the concept of globalization and promotes practices that do not cause environmental damage
  • anti-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
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