15-letter words containing a, b, o, i
- audubon society — a North American organization devoted to the conservancy of birds
- aurora borealis — the aurora seen around the North Pole
- autobiographers — Plural form of autobiographer.
- autobiographies — Plural form of autobiography.
- autocannibalism — The eating of part of one's own body.
- 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 method — induction (def 4a).
- 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
- bag on the side — An extension to an established hack that is supposed to add some functionality to the original. Usually derogatory, implying that the original was being overextended and should have been thrown away, and the new product is ugly, inelegant, or bloated. Also "to hang a bag on the side [of]". "C++? That's just a bag on the side of C." "They want me to hang a bag on the side of the accounting system."
- 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
- balanoposthitis — An inflammation of the glans penis and the prepuce.
- ball ammunition — live small-arms ammunition
- ballpoint (pen) — a pen having, instead of a point, a small ball bearing that picks up its ink by rolling against an interior ink reservoir
- 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
- bargain counter — a store counter on which goods are displayed for sale at reduced prices
- barium chloride — a poisonous compound, BaCl2, consisting of flat white crystals that are soluble in water: it is used to treat water, metals, leather, etc.
- barium chromate — a yellow, crystalline compound, BaCrO 4 , used as a pigment (barium yellow)
- barium peroxide — a gray-white powder, BaO2, used as a bleach and in making hydrogen peroxide
- barn conversion — the adaptation of a farm barn into a building serving a different use, such as a house or commercial premises
- barry mountains — a mountain range in SE Australia, in E Victoria: part of the Australian Alps
- basic autocoder — Early system on IBM 7070. Listed in CACM 2(5):16 (May 1959).
- basic education — (in India) education in which all teaching is correlated with the learning of a craft
- basidiomycetous — belonging or pertaining to the basidiomycetes.
- basse-normandie — a region of NW France, on the English Channel: consists of the Cherbourg peninsula in the west rising to the Normandy hills in the east; mainly agricultural
- bathing costume — A bathing costume is a piece of clothing that is worn for swimming, especially by women and girls.
- battle of wills — A battle of wills is a situation that involves people who try to defeat each other by refusing to change their own aims or demands and hoping that their opponents will weaken first.
- battle stations — the places to which soldiers, sailors, warships, etc. are assigned for a battle or an emergency
- bayonet fitting — a type of fastening in which a cylindrical member is inserted into a socket against spring pressure and turned so that pins on its side engage in slots in the socket
- be having sb on — If you are having someone on, you are pretending that something is true when it is not true, for example as a joke or in order to tease them.
- be raring to go — If you say that you are raring to go, you mean that you are very eager to start doing something.
- bear comparison — to be sufficiently similar in class or range to be compared with (something else), esp favourably
- beat generation — members of the generation that came to maturity in the 1950s, whose rejection of the social and political systems of the West was expressed through contempt for regular work, possessions, traditional dress, etc, and espousal of anarchism, communal living, drugs, etc
- bedloe's island — Liberty Island
- belgian griffon — one of a variety of the Brussels griffon having a black or reddish-brown and black coat.
- belladonna lily — a tropical bulbous plant (Amaryllis belladonna) of the lily family, grown for its large pink, white, or red flowers and native to S Africa
- benedict arnold — Benedict, 1741–1801, American general in the Revolutionary War who became a traitor.
- benzal chloride — a colorless, oily liquid, C 7 H 6 Cl 2 , used chiefly in the synthesis of benzaldehyde, and in the manufacture of dyes.
- benzoglyoxaline — benzimidazole.
- bernoulli trial — one of a sequence of independent experiments each of which has the same probability of success, such as successive throws of a die, the outcome of which is described by a binomial distribution