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16-letter words containing a, c, o, i

  • australopithecus — an extinct genus of small-brained,large-toothed bipedal hominids that lived in Africa between one and four million years ago.
  • authentification — The process of making, or establishing as, authentic.
  • autobiographical — An autobiographical piece of writing relates to events in the life of the person who has written it.
  • autodidactically — a person who has learned a subject without the benefit of a teacher or formal education; a self-taught person.
  • autoethnographic — Using ethnographic techniques to describe one's own life, or events in which one is a participant.
  • autointoxication — self-poisoning caused by absorption of toxic products originating within the body
  • automatic camera — a camera in which the lens aperture or the shutter speed or both are automatically adjusted to the prevailing conditions
  • automatic pistol — a type of pistol having a mechanism that throws out the empty shell, puts in a new one, and prepares the pistol to be fired again.
  • automatic redial — a telephone service feature whereby the last number dialed is automatically called again, either after a specified time or when activated by the user.
  • automatic repeat — a key on the keyboard of a typewriter, computer, etc, which, when depressed continuously, produces the character repeatedly until the key is released
  • automatrix, inc. — (company)   The company which produced CAM-PC. Address: Ballston Spa, NY, USA.
  • autoradiographic — Of or pertaining to an autoradiograph, a radiographic image produced by the decay of a radioactive substance.
  • autostereoscopic — Of or pertaining to autostereoscopy.
  • auxiliary police — a part-time reserve attached to a regular police force
  • azodicarbonamide — (chemistry) An organic chemical, a yellow to orange red, odorless, crystalline powder, used in food industry as a food additive, a flour bleaching agent and improving agent and in foaming plastics.
  • back-propagation — (Or "backpropagation") A learning algorithm for modifying a feed-forward neural network which minimises a continuous "error function" or "objective function." Back-propagation is a "gradient descent" method of training in that it uses gradient information to modify the network weights to decrease the value of the error function on subsequent tests of the inputs. Other gradient-based methods from numerical analysis can be used to train networks more efficiently. Back-propagation makes use of a mathematical trick when the network is simulated on a digital computer, yielding in just two traversals of the network (once forward, and once back) both the difference between the desired and actual output, and the derivatives of this difference with respect to the connection weights.
  • background music — music of any kind that is played while some other activity is going on, so that people do not actively attend to it
  • background noise — any type of noise that is not the sound that you are specifically listening to or monitoring
  • backward-looking — If you describe someone or something as backward-looking, you disapprove of their attitudes, ideas, or actions because they are based on old-fashioned opinions or methods.
  • bacterioplankton — (biology) The bacterial component of marine plankton.
  • badminton racket — the type of racket used in games of badminton
  • ballroom dancing — Ballroom dancing is a type of dancing in which a man and a woman dance together using fixed sequences of steps and movements.
  • baltimore canyon — a submarine valley cut into the continental shelf and slope seaward of Chesapeake Bay.
  • bargaining scope — the range of topics within the scope of a particular set of negotiations leading to a collective agreement
  • barium carbonate — a white, poisonous, water-insoluble powder, BaCO 3 , used chiefly in the manufacture of rodenticides, paints, and dyes.
  • barometric error — error of a timepiece due to the fluctuations in density of the atmosphere through which the balance or pendulum moves.
  • basic dichromate — an orange-red, amorphous, water-insoluble powder, Bi 2 O 3 ⋅2CrO 3 , used chiefly as a pigment in paints.
  • basic vocabulary — the set of lexical items in a language that are most resistant to replacement, referring to the most common and universal elements of human experience, such as parts of the body (foot, eye), universal features of the environment (water, star), common activities (eat, sleep), and the lowest numerals.
  • basque provinces — an autonomous region of N Spain, comprising the provinces of Álava, Guipúzcoa, and Vizcaya: inhabited mainly by Basques, who retained virtual autonomy from the 9th to the 19th century. Pop: 1 840 700 (2003 est). Area: about 7250 sq km (2800 sq miles)
  • batch processing — manufacturing products or treating materials in batches, by passing the output of one process to subsequent processes
  • batch production — production of goods in batches, rather than continuously
  • bathroom cabinet — a wall-mounted cabinet in a bathroom, typically with a mirror front and used for the storage of medicines and toiletries
  • bayonet practice — drill in the use of a bayonet
  • be of assistance — Someone or something that is of assistance to you is helpful or useful to you.
  • beneficial owner — a person entitled to receive the profits or proceeds of property
  • beta abstraction — [lambda-calculus] The conversion of an expression to an application of a lambda abstraction to an argument expression. Some subterm of the original expression becomes the argument of the abstraction and the rest becomes its body. E.g. 4+1 --> (\ x . x+1) 4 The opposite of beta abstraction is beta reduction. These are the two kinds of beta conversion.
  • beta coefficient — a measure of the extent to which a particular security rises or falls in value in response to market movements
  • bicapitalisation — The act said to have been performed on trademarks (such as PostScript, NeXT, NeWS, VisiCalc, FrameMaker, TK!solver, EasyWriter) that have been raised above the ruck of common coinage by nonstandard capitalisation. Too many marketroid types think this sort of thing is really cute, even the 2,317th time they do it. Compare studlycaps.
  • bidirectionality — capable of reacting or functioning in two, usually opposite, directions.
  • bill of exchange — (now chiefly in foreign transactions) a document, usually negotiable, containing an instruction to a third party to pay a stated sum of money at a designated future date or on demand
  • binocular fusion — fusion (def 5a).
  • binocular-fusion — the act or process of fusing; the state of being fused.
  • biocompatibility — the capability of coexistence with living tissues or organisms without causing harm: Artificial joint adhesives must have biocompatibility with bone and muscle.
  • biofortification — the process of breeding staple crops to have higher levels of essential nutrients, either through selective breeding or genetic modification: iron biofortification of rice; biofortification of wheat with zinc.
  • biological child — any child conceived rather than adopted by a specified parent, and therefore carrying genes from the parent.
  • biological clock — Your biological clock is your body's way of registering time. It does not rely on events such as day or night, but on factors such as your habits, your age, and chemical changes taking place in your body.
  • biological value — the nutritional effectiveness of the protein in a given food, expressed as the percentage used by the body of either the total protein consumed or the digestible protein available.
  • biomagnification — biological magnification.
  • biotechnological — Biotechnological means relating to biotechnology.
  • biotic potential — the capacity of a population of organisms to increase in numbers under optimum environmental conditions.
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