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16-letter words containing a, p, o, t, r, i

  • autobiographical — An autobiographical piece of writing relates to events in the life of the person who has written it.
  • autoethnographic — Using ethnographic techniques to describe one's own life, or events in which one is a participant.
  • 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
  • autoradiographic — Of or pertaining to an autoradiograph, a radiographic image produced by the decay of a radioactive substance.
  • autostereoscopic — Of or pertaining to autostereoscopy.
  • aversion therapy — a method of suppressing an undesirable habit, such as excessive smoking, by causing the subject to associate an unpleasant effect, such as an electric shock or nausea, with the habit
  • 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.
  • bacterioplankton — (biology) The bacterial component of marine plankton.
  • bastard pointing — an imitation of tuck pointing, having a fillet made from the mortar of the joint.
  • 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
  • bayonet practice — drill in the use of a bayonet
  • behavior pattern — a recurrent way of acting by an individual or group toward a given object or in a given situation.
  • behavior therapy — therapy employing behavior modification
  • binary operation — a mathematical operation in which two elements are combined to yield a single result: Addition and multiplication are binary operations on the set of real numbers.
  • blink comparator — an optical instrument used to detect small differences in two photographs of the same field or object by viewing them alternately, switching rapidly from one to the other.
  • boston cream pie — a cake of two layers with icing and a creamy filling
  • boundary dispute — dispute between neighbours about the boundary between their properties
  • branchiopneustic — breathing by means of gills, as certain aquatic insect larvae.
  • break-even point — When a company reaches break-even point, the money it makes from the sale of goods or services is just enough to cover the cost of supplying those goods or services, but not enough to make a profit.
  • brood parasitism — a type of parasitism in which a bird (brood parasite), as a cowbird or European cuckoo, lays and abandons its eggs in the nest of another species
  • burkitt lymphoma — a rare type of tumour of the white blood cells, occurring mainly in Africa and associated with infection by Epstein-Barr virus
  • bypass capacitor — a capacitor which provides a low-impedance path for alternating current while not passing any direct current
  • bypass operation — an operation involving redirection of blood flow, either to avoid a diseased blood vessel or in order to perform heart surgery
  • cape cod lighter — a device for lighting a fire, as in a fireplace, consisting of a lump of nonflammable material on a metal rod, that is soaked in kerosene or the like and lighted with a match.
  • capillary action — Also called capillary action, capillary attraction. Physics. a manifestation of surface tension by which the portion of the surface of a liquid coming in contact with a solid is elevated or depressed, depending on the adhesive or cohesive properties of the liquid.
  • capillary-action — Also called capillary action, capillary attraction. Physics. a manifestation of surface tension by which the portion of the surface of a liquid coming in contact with a solid is elevated or depressed, depending on the adhesive or cohesive properties of the liquid.
  • capitation grant — a grant of money given to every person who qualifies under certain conditions
  • carbon footprint — Your carbon footprint is a measure of the amount of carbon dioxide released into the atmosphere by your activities over a particular period.
  • carboxypeptidase — any of several digestive enzymes that catalyze the removal of an amino acid from the end of a peptide chain having a free carbonyl group.
  • carnot principle — the principle that no heat engine can be more efficient than one operating on a Carnot cycle of reversible changes
  • carpatho-ukraine — a region in W Ukraine: ceded by Czechoslovakia in 1945.
  • carpenter gothic — (sometimes initial capital letters) a style of Victorian Gothic architecture adapted to the resources of contemporary woodworking tools and machinery.
  • cartographically — the production of maps, including construction of projections, design, compilation, drafting, and reproduction.
  • castor-oil plant — a tall euphorbiaceous Indian plant, Ricinus communis, cultivated in tropical regions for ornament and for its poisonous seeds, from which castor oil is extracted
  • catastrophically — of the nature of a catastrophe, or disastrous event; calamitous: a catastrophic failure of the dam.
  • chemoautotrophic — producing organic matter by the use of energy obtained by oxidation of certain chemicals with carbon dioxide as the carbon source
  • chemotherapeutic — of or used in chemotherapy
  • chromatographies — Plural form of chromatography.
  • chromium plating — plating, often for decorative effect, made of chromium
  • chromolithograph — a picture produced by chromolithography
  • civil air patrol — a voluntary organization performing emergency services, as assisting the U.S. Air Force on search missions, and offering aerospace-education and youth programs: founded 1941. Abbreviation: CAP.
  • cleaning product — a detergent or other household cleaner
  • cochlear implant — a device that stimulates the acoustic nerve in the inner ear in order to produce some form of hearing in people who are deaf from inner ear disease
  • code of practice — A code of practice is a set of written rules which explains how people working in a particular profession should behave.
  • commercial pilot — an airplane pilot licensed to transport passengers, goods, etc.
  • common partridge — a small Old World gallinaceous game bird, Perdix perdix
  • compartmentalise — to divide into categories or compartments.
  • compartmentalize — To compartmentalize something means to divide it into separate sections.
  • compartmentation — subdivision of a hull into spaces enclosed by watertight bulkheads and sometimes by watertight decks.
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