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

  • 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.
  • almirante brown — a city in E Argentina, near Buenos Aires.
  • alpha geminorum — Castor
  • 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)
  • 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.
  • 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
  • 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
  • angry young men — a group of young writers in Great Britain after WWII, bitterly critical of upper-class and middle-class values, practices, etc.
  • angustirostrate — having a narrow, beak-like part
  • animal behavior — behavior (def 2).
  • 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
  • anne of denmark — 1574–1619, wife (from 1589) of James I of England and VI of Scotland
  • answer the door — When you answer the door, you go and open the door because a visitor has knocked on it or rung the bell.
  • 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.
  • anthony burgess — Anthony, 1917–93, English novelist and critic.
  • 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-commercial — of, relating to, or characteristic of commerce.
  • anti-globalizer — a political activist who challenges the concept of globalization and promotes practices that do not cause environmental damage
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