15-letter words containing n, o
- alcohol content — the amount of alcohol that is present in an alcoholic drink
- 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 of a sudden — If something happens all of a sudden, it happens quickly and unexpectedly.
- 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.
- all-you-can-eat — An all-you-can-eat buffet or restaurant is a buffet or restaurant at which you pay a fixed price, no matter how much or how little you eat.
- allegoricalness — the quality of being allegorical
- allende gossens — Salvador, 1908–73, Chilean political leader: president 1970–73.
- 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 and omega — the first and last, a phrase used in Revelation 1:8 to signify God's eternity
- alpha geminorum — Castor
- alpha radiation — alpha particles emitted from a radioactive isotope
- alphabetisation — The act or process of arranging in alphabetical order.
- alphabetization — Alternative form of alphabetisation.
- alpine accentor — a small bird of the sparrow family, Prunella collaris, found especially in mountain regions of S Europe and Asia
- alpine combined — a competition for Alpine skiers in a combination of downhill and slalom races, the winner having the highest total score.
- 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.
- altai mountains — a mountain system of central Asia, in W Mongolia, W China, and S Russia. Highest peak: Belukha, 4506 m (14 783 ft)
- alte pinakothek — a museum in Munich housing a collection of paintings dating from the Middle Ages to the late 18th century
- aluminium oxide — a white or colourless insoluble powder occurring naturally as corundum and used in the production of aluminium and its compounds, abrasives, glass, and ceramics. Formula: Al2O3
- aluminosilicate — a silicate in which some of the silicon in the tetrahedral unit SiO4 has been replaced by aluminium
- 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.
- amenity society — a voluntary society established with the purpose of preserving historic art and architecture
- 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.
- aminoglycosides — Plural form of aminoglycoside.
- ammunition belt — a belt for carrying ammunition
- ammunition clip — a device for storing rounds of ammunition and feeding them into a weapon
- ammunition dump — a place where ammunition is left
- 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
- anacoluthically — in an anacoluthic manner
- anacostia river — a river in the District of Columbia flowing into the Potomac River. about 24 miles (39 km) long.
- anaesthesiology — the science of administering anesthetics.
- 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