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21-letter words containing o, n

  • atmospheric-inversion — an act or instance of inverting.
  • atomic disintegration — a process resulting in the change of a radioactive nucleus, either by emission of an alpha, beta, or gamma ray or by fission, and producing a change in the original mass, atomic number, or energy
  • atomic unit of length — (in the Bohr atom) the radius of the electron orbit having the lowest energy.
  • atrioventricular node — a small mass of muscular fibers at the base of the wall between the atria, conducting impulses received from the sinoatrial node by way of the atrioventricular bundles and, under certain conditions, functioning for the sinoatrial node as pacemaker of the heart. Abbreviation: A-V node.
  • australian cattle dog — a compact strongly-built dog of a breed with pricked ears and a smooth bluish-grey coat, often used for controlling and moving cattle
  • automatic hyphenation — (text)   A feature of some word processors which can insert hyphens into words which would otherwise extend beyond the right hand margin of the page. More advanced word processors may have options to control the position of the hyphen, to restrict certain words from being hyphenated, and to allow custom dictionaries of hyphenation points to be built up.
  • aversive conditioning — a type of behavior conditioning in which noxious stimuli are associated with undesirable or unwanted behavior that is to be modified or abolished, as the use of nausea-inducing drugs in the treatment of alcoholism.
  • axiom of countability — the property satisfied by a topological space in which the neighborhood system of each point has a base consisting of a countable number of neighborhoods (first axiom of countability) or the property satisfied by a topological space that has a base for its topology consisting of a countable number of subsets of the space (second axiom of countability)
  • background processing — the ability of a system to perform a low-priority task while, at the same time, dealing with a main application
  • background projection — the projection from the rear of previously photographed material on a translucent screen, used as background for a television or motion-picture shot.
  • bad conduct discharge — a discharge of a person from military service for an offense less serious than one for which a dishonorable discharge is given.
  • baja california norte — a state of NW Mexico, in the N part of the Lower California peninsula. Capital: Mexicali. Pop: 2 487 700 (2000). Area: about 71 500 sq km (27 600 sq miles)
  • balance sheet account — A balance sheet account is an account in the chart of accounts that is reported on the balance sheet.
  • ball-and-socket joint — a coupling between two rods, tubes, etc, that consists of a spherical part fitting into a spherical socket, allowing free movement within a specific conical volume
  • banach-tarski paradox — (mathematics)   It is possible to cut a solid ball into finitely many pieces (actually about half a dozen), and then put the pieces together again to get two solid balls, each the same size as the original. This paradox is a consequence of the Axiom of Choice.
  • barbiturate poisoning — poisoning caused by overdose of a barbiturate
  • barren ground caribou — a migrating caribou of the North American tundra and taiga, having many-branched slender antlers.
  • barrier contraceptive — any form of contraceptive that prevents impregnation by physically preventing the sperm from reaching the egg
  • basis of articulation — a configuration of the speech tract that represents the most neutral articulatory configuration for a given language.
  • baton de commandement — an antler object found in Upper Palaeolithic sites from the Aurignacian period onwards, consisting of a rod, often ornately decorated, with a hole through the thicker end
  • baudouin de courtenay — Jan Ignacy Niecisław [yahn ig-nah-tsi nye-tsis-lahf] /yɑn ɪgˈnɑ tsɪ ˈnyɛ tsɪsˌlɑf/ (Show IPA), 1845–1929, Polish linguist: pioneer in modern phonology.
  • be (one) too many for — to defeat; overwhelm
  • be at pains to do sth — If someone is at pains to do something, they are very eager and anxious to do it, especially because they want to avoid a difficult situation.
  • be flat on one's back — the rear part of the human body, extending from the neck to the lower end of the spine.
  • be in apple-pie order — If a room or a desk is in apple pie order, it is neat and tidy, and everything is where it should be.
  • be in the melting pot — If something is in the melting pot, you do not know what is going to happen to it.
  • be on the danger list — to be critically ill in hospital
  • be on to a good thing — to be in a profitable situation or position
  • be run off one's feet — to be very busy
  • beam in one's own eye — a major moral flaw in oneself which one ignores while criticizing minor faults in others
  • beat one's brains out — Anatomy, Zoology. the part of the central nervous system enclosed in the cranium of humans and other vertebrates, consisting of a soft, convoluted mass of gray and white matter and serving to control and coordinate the mental and physical actions.
  • been there, done that — in or at that place (opposed to here): She is there now.
  • before-and-after test — a test which compares the state or function of something before intervention or modification, and after it
  • behavior modification — a technique that seeks to modify animal and human behavior through application of the principles of conditioning, in which rewards and reinforcements, or punishments, are used to establish desired habits, or patterns of behavior
  • behavioural contagion — the spread of a particular type of behaviour, such as crying, through a crowd or group of people
  • behind someone's back — without someone's knowledge or consent
  • benzalkonium chloride — a white or yellowish-white, water-soluble mixture of ammonium chloride derivatives having the structure C 8 H 10 NRCl, where R is a mixture of radicals ranging from C 8 H 17 – to C 18 H 37 –, that occurs as an amorphous powder or in gelatinous lumps: used chiefly as an antiseptic and a disinfectant.
  • benzethonium chloride — a colorless, water-soluble, crystalline solid, ammonium chloride derivative, (C 27 H 42 O 2 N)Cl⋅H 2 O, used chiefly as an antiseptic.
  • bernadette of lourdes — Saint. original name Marie Bernarde Soubirous. 1844–79, French peasant girl born in Lourdes, whose visions of the Virgin Mary led to the establishment of Lourdes as a centre of pilgrimage, esp for the sick or crippled. Feast day: Feb 18
  • bernoulli's principle — the principle that in a liquid flowing through a pipe the pressure difference that accelerates the flow when the bore changes is equal to the product of half the density times the change of the square of the speed, provided friction is negligible
  • beyond (all) question — beyond (any) dispute or doubt
  • bibliographic control — the identification, description, analysis, and classification of books and other materials of communication so that they may be effectively organized, stored, retrieved, and used when needed.
  • binomial distribution — a statistical distribution giving the probability of obtaining a specified number of successes in a specified number of independent trials of an experiment with a constant probability of success in each. Symbol: Bi (n, p), where n is the number of trials and p the probability of success in each
  • binomial nomenclature — a system for naming plants and animals by means of two Latin names: the first indicating the genus and the second the species to which the organism belongs, as in Panthera leo (the lion)
  • biobehavioral science — any of the various branches of the life sciences, as neurobiology, neurochemistry, or neuroendocrinology, that deal with biological aspects of behavior.
  • bjornstjerne bjornson — Björnstjerne [byœrn-styer-nuh] /ˈbyœrnˌstyɛr nə/ (Show IPA), 1832–1910, Norwegian poet, novelist, and playwright: Nobel Prize 1903.
  • blot on the landscape — If you describe something such as a building as a blot on the landscape, you mean that you think it is very ugly and spoils an otherwise attractive place.
  • blow one's brains out — to kill oneself by shooting oneself in the head
  • blow the whistle (on) — to report or inform (on)
  • blow your own trumpet — If you blow your own trumpet or blow your own horn, you tell people that you are very clever or successful.
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