16-letter words containing u
- aleutian current — a current in the Pacific Ocean that flows eastward between latitudes 40° and 50° N.
- aleutian islands — a chain of over 150 volcanic islands, extending southwestwards from the Alaska Peninsula between the N Pacific and the Bering Sea
- alexander dubcek — Alexander, 1921–92, Czechoslovakian political leader: first secretary of the Communist Party 1968–69.
- algebraic number — any number that is a root of a polynomial equation having rational coefficients such as √2 but not π
- allegheny spurge — a low, shrubby evergreen plant, Pachysandra procumbens, having spikes of white or purplish flowers, native to the southeastern U.S. and widely cultivated as a ground cover.
- allele frequency — the frequency of occurrence or proportions of different alleles of a particular gene in a given population.
- alloyed junction — a semiconductor junction used in some junction transistors and formed by alloying metal contacts, functioning as emitter and collector regions, to a wafer of semiconductor that acts as the base region
- alphanumerically — In an alphanumeric manner; using alphanumeric characters.
- alternative fuel — An alternative fuel is any automotive fuel other than gasoline and diesel fuel.
- altitude chamber — a chamber for simulating the conditions of air pressure and temperature for a given altitude in order to test the behavior of people and equipment in such an environment.
- aluminium bronze — any of a range of copper alloys that contain between 5 and 10 per cent aluminium
- aluminosilicates — Plural form of aluminosilicate.
- aluminum acetate — a compound that in the form of its normal salt, Al(C 2 H 3 O 2) 3 , obtained as a white, water-soluble, amorphous powder, is used chiefly in medicine as an astringent and as an antiseptic, and in the form of its basic salt, Al(C 2 H 3 O 2) 2 OH, obtained as a white, crystalline, water-insoluble powder, is used chiefly in the textile industry as a waterproofing agent, as a fireproofing agent, and as a mordant.
- aluminum carbide — a yellow, crystalline solid, Al 4 C 3 , that reacts with water to form methane.
- aluminum nitrate — a white, crystalline, water-soluble solid, Al(NO 3) 3 ⋅9H 2 O, used chiefly as a mordant in dyeing cotton.
- aluminum sulfate — a white crystalline salt, Al2(SO4)3, made by treating bauxite or clay with sulfuric acid: it is used in sizing paper, purifying water, fixing dyes, tanning, etc.
- alvarez quintero — Joa‧ˈquín (hwɑˈkin ) ; hwäkēnˈ) 1873-1944; Sp. playwright
- ambidextrousness — The state or quality of being ambidextrous.
- ambulance chaser — a lawyer who seeks to encourage and profit from the lawsuits of accident victims
- ambulance driver — a person whose job is to drive an ambulance
- ambulance stocks — high-performance stocks and shares recommended by a broker to a dissatisfied client to improve their relationship
- ambulance worker — any person who works in the ambulance service
- amending formula — a specified process or procedure by which a constitution may be amended
- american buffalo — bison (def 1).
- american mustard — a mild yellow mustard
- amerigo vespucci — Amerigo [uh-mer-i-goh;; Italian ah-me-ree-gaw] /əˈmɛr ɪˌgoʊ;; Italian ˌɑ mɛˈri gɔ/ (Show IPA), (Americus Vespucius) 1451–1512, Italian merchant, adventurer, and explorer after whom America was named.
- ammonia solution — ammonia (def 2).
- ammonia-solution — a colorless, pungent, suffocating, highly water-soluble, gaseous compound, NH 3 , usually produced by the direct combination of nitrogen and hydrogen gases: used chiefly for refrigeration and in the manufacture of commercial chemicals and laboratory reagents.
- ammonium acetate — a white, crystalline, deliquescent, water-soluble solid, NH 4 (C 2 H 3 O 2), used chiefly in the manufacture of dyes and meat preservatives.
- ammonium cyanate — a white, crystalline solid, CH 4 N 2 O, soluble in alcohol, that is converted into urea when heated.
- ammonium lactate — a colorless to yellow, water-soluble, syrupy liquid, C 3 H 9 NO 3 , used chiefly in electroplating.
- ammonium nitrate — a colourless highly soluble crystalline solid used mainly as a fertilizer and in explosives and pyrotechnics. Formula: NH4NO3
- ammonium sulfate — an ammonium salt, (NH4)2SO4, made chiefly from synthetic ammonia and used in making fertilizers, in treating water, etc.
- ammunition depot — a place where ammunition is stored
- ammunition pouch — a pouch for carrying ammunition
- amusement arcade — An amusement arcade is a place where you can play games on machines which work when you put money in them.
- anal intercourse — a form of sexual intercourse in which the penis is inserted into the anus
- ancient monument — a historical building or the remains of one, usually dating from no later than the medieval period, that has been designated as worthy of preservation and is often in the care of a government department
- andreas vesalius — Andreas [ahn-dre-ahs] /ɑnˈdrɛ ɑs/ (Show IPA), 1514–64, Flemish anatomist.
- andrew tanenbaum — (person) Professor Andrew S. Tanenbaum (1941-) of the Vrije Universiteit, Amsterdam in The Netherlands. Tanenbaum is famous for his work and books on computer architecture, operating systems and networks. He wrote the textbook "Computer Networks", Second Edition, Prentice-Hall, 1981, which describes the International Standards Organisation, Open Systems Interconnection (ISO-OSI) network model. See Amoeba, Mac-1, Mic-1, Mic-2, Micro Assembly Language, MINIX, MicroProgramming Language, standard.
- angelus silesius — (Johannes Scheffler) 1627–77, German poet.
- anglo-australian — belonging, relating to, or involving England and Australia, or the people of the two countries.
- angostura (bark) — the bitter aromatic bark of either of two South American trees (Galipea officinalis or Cusparia trifoliata) of the rue family, used as a medicinal tonic and as a flavoring in bitters
- angular diameter — the angle that the apparent diameter of a celestial object subtends at the eye of the observer.
- angular momentum — a property of a mass or system of masses turning about some fixed point; it is conserved in the absence of the action of external forces
- angular velocity — the velocity of a body rotating about a specified axis measured as the rate of change of the angle subtended at that axis by the path of the body
- animal husbandry — the science of breeding, rearing, and caring for farm animals
- animal sanctuary — a place where animals are brought to live and be protected
- annular ligament — any of various ligaments that encircle a part, such as the wrist, ankle, or trachea
- annus horribilis — a terrible year