15-letter words containing r, i, o, b, a
- ab urbe condita — from the founding of the city (Rome, about 753 b.c.). Abbreviation: A.U.C.
- ability to work — A policyholder's ability to work is the degree to which they are able to do a job, as a result of disability.
- abortion clinic — a place where abortions are conducted legally by doctors
- abraham lincoln — Abbey (Anna Marie Gaby Wooldridge; Aminata Moseka) born 1930, U.S. jazz singer, activist, and actress.
- absorbabilities — Plural form of absorbability.
- absorption band — a dark band in the absorption spectrum of a substance, corresponding to a range of wavelengths for which the substance absorbs more strongly than at adjacent wavelengths.
- absorption edge — a discontinuity in the graph of the absorption coefficient of a substance plotted against the wavelength of x-rays being absorbed, representing the minimum energy necessary to free electrons from particular shells of the atoms of the substance.
- accessible room — An accessible room is a room that is easy for disabled people to enter and leave.
- aerobic dancing — a system of exercises combining aerobics with dance steps and usually done to music.
- african buffalo — Cape buffalo.
- airborne attack — an attack involving airborne troops
- 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.
- albert memorial — monument to Prince Albert of England in Kensington Gardens, London: 175 ft (53 m) high
- almirante brown — a city in E Argentina, near Buenos Aires.
- 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.
- ambassadorships — Plural form of ambassadorship.
- ambrosia beetle — any of various small beetles of the genera Anisandrus, Xyleborus, etc, that bore tunnels into solid wood, feeding on fungi growing in the tunnels: family Scolytidae (bark beetles)
- ambrosian chant — the liturgical chant, established by Saint Ambrose, characterized by ornamented, often antiphonal, singing.
- animal behavior — behavior (def 2).
- anteprohibition — before prohibition.
- anthropobiology — the biological study of the human species
- anti-globalizer — a political activist who challenges the concept of globalization and promotes practices that do not cause environmental damage
- antiabortionist — An antiabortionist is someone who wants to limit or prevent the legal availability of abortions.
- antilock brakes — brakes fitted to some road vehicles that prevent skidding and improve control by sensing and compensating for overbraking
- antituberculous — (medicine) Acting to combat or counteract tuberculosis.
- approachability — capable of being approached; accessible.
- arbitration bar — a bar of cast iron used as a sample for the batch to which it belongs.
- archaeobotanist — A person engaged in archaeobotany.
- ariboflavinosis — a condition resulting from a dietary deficiency of riboflavin
- astrobiologists — Plural form of astrobiologist.
- atrabiliousness — The state or quality of being characterized by melancholy or glumness.
- aurora borealis — the aurora seen around the North Pole
- autobiographers — Plural form of autobiographer.
- autobiographies — Plural form of autobiography.
- azobisformamide — (chemistry) azodicarbonamide.
- back projection — a method of projecting pictures onto a translucent screen so that they are viewed from the opposite side, used esp in films to create the illusion that the actors in the foreground are moving
- backup rotation — (operating system) Any system for re-using backup media, e.g. magnetic tape. One extreme would be to use the same media for every backup (e.g. copy disk A to disk B), the other extreme would be to use new media every time. The trade-off is between the cost of buying and storing media and the ability to restore any version of any file. One example is the Grandfather, Father, Son (GFS) scheme.
- baconian theory — the theory attributing the authorship of Shakespeare's plays to Francis Bacon.
- bacterial ghost — a bacterial cell that is emptied and filled artificially with another substance
- bacteriological — Of or relating to bacteriology or bacteria.
- bacteriophagous — Pertaining to the predation and consumption of bacterium.
- badminton court — the court on which games of badminton are played
- baja california — peninsula in Mexico, between the Pacific & the Gulf of California: divided into a northern state (Baja California), 27,071 sq mi (70,114 sq km), pop. 1,661,000, cap. Mexicali; and a southern state (Baja California Sur), 28,447 sq mi (73,677 sq km), pop. 318,000, cap. La Paz
- bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
- banking product — one of the various services offered by a bank to its customers: mortgages, loans, insurance etc
- baptism of fire — If someone who has just begun a new job has a baptism of fire, they immediately have to cope with very many severe difficulties and obstacles.
- bar examination — a written examination to determine if one is qualified to practice law in a particular jurisdiction.
- barbizon school — a group of French painters of landscapes of the 1840s, including Théodore Rousseau, Daubigny, Diaz, Corot, and Millet
- barcelona chair — an armless, padded leather chair on a steel frame shaped like a curved X: Barcelona is a trademark for this chair
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