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20-letter words containing r, i, o, t

  • catastrophic illness — A catastrophic illness is a major health event that takes place during a particular period of time, such as a heart attack, stroke, or cancer.
  • cellular respiration — the oxidation of organic compounds that occurs within cells, producing energy for cellular processes.
  • cellulose triacetate — a triacetic ester of cellulose characterized by its resistance to most solvents, used chiefly in the manufacture of textile fibers.
  • center of percussion — the point on a rigid body, suspended so as to be able to move freely about a fixed axis, at which the body may be struck without changing the position of the axis.
  • central bedfordshire — a unitary authority of S central England. Pop: 252 100 (2007 est). Area: 712 sq km (275 sq miles)
  • certificate of stock — stock certificate.
  • certified accountant — (in Britain) a member of the Chartered Association of Certified Accountants, who is authorized to audit company accounts
  • change a reservation — If you change a reservation, you move a booking to a different date because someone who has booked a room has informed you that they wish to stay there on a different date.
  • chapter of accidents — a series of misfortunes
  • character repertoire — (character)   The set of all characters onto which a coded character set maps integers (code positions). For example, consider these two simple coded character sets: Coded Character Set One: integer 0 -> the character "A" integer 1 -> the character "B" Coded Character Set Two: integer 0 -> the character "B" integer 1 -> the character "A" Both of these coded character sets map to the characters "A" and "B", so they have the same character repertoire. But since the mapping is different (and obviously incompatible), these are different coded character sets.
  • charismatic movement — any of various groups, within existing denominations, that emphasize communal prayer and the charismatic gifts of speaking in tongues, healing, etc
  • chemolithoautotrophs — Plural form of chemolithoautotroph.
  • chemotherapeutically — By means of chemotherapy.
  • chevalier-montrachet — a white wine from Burgundy.
  • child support agency — the British government agency concerned with the welfare of children
  • childhood sweetheart — a boyfriend or girlfriend from an early stage of life
  • chinese scholar tree — a spreading, round-headed tree, Sophora japonica, of the legume family, native to China and Korea, having yellowish-white flowers in loose, showy clusters, grown widely as a street tree.
  • cholestyramine resin — a powdery synthetic resin that binds with and prevents the reabsorption of bile acids, used to reduce cholesterol levels, relieve itching associated with jaundice, etc.
  • christopher columbus — Christopher (Sp. Cristóbal Colón; It. Cristoforo Colombo) 1446?–1506, Italian navigator in Spanish service: traditionally considered the discoverer of America 1492.
  • christopher strachey — (person)   Professor of Computation at Oxford, England, born 1916, died May 1975. He invented the term "currying". See also: General Purpose Macro-generator.
  • chromatic aberration — a defect in a lens system in which different wavelengths of light are focused at different distances because they are refracted through different angles. It produces a blurred image with coloured fringes
  • chromatic adaptation — the alteration by photosynthesizing organisms of the proportions of their photosynthetic pigments in response to the intensity and colour of the available light, as shown by algae in the littoral zone, which change from green to red as the zone is descended
  • chromaticity diagram — a diagram in which values of two chromaticity coordinates are marked on a pair of rectangular axes, a point in the plane of these axes representing the chromaticity of any colour
  • chronic inflammation — persistent infection or swelling
  • clinical thermometer — a finely calibrated thermometer for determining the temperature of the body, usually placed under the tongue, in the armpit, or in the rectum
  • co-operative society — In Britain, a co-operative society is a commercial organization with several shops in a particular district. Customers can join this organization and get a share of its profits.
  • coalition government — a government containing members of two or more political parties
  • cocktail shaker sort — (algorithm)   A bi-directional bubble sort. Passes alternate between ascending through array indexes, pushing the largest item to the bottom; and descending through array indexes, pushing the smallest item to the top.
  • coincident indicator — an economic indicator, as gross national product, that typically fluctuates in correlation with the total economy.
  • collective agreement — a negotiated agreement, which is not enforceable at law, between an employer and employees' representatives, covering rates of pay or terms and conditions of employment, or both
  • collective ownership — ownership by a group for the benefit of members of that group
  • colorpoint shorthair — any of a breed of domestic cat, bred by crossing a Siamese and an American shorthair, with blue, almond-shaped eyes and a short, glossy, white coat shading to a darker color at the face, ears, feet, and tail
  • commissioning editor — a person who commissions authors to write books and magazine articles
  • committee of inquiry — (in parliament) a group set up to investigate something
  • communication theory — information theory.
  • comparative judgment — any judgment about whether there is a difference between two or more stimuli
  • comparative religion — a field of study seeking to derive general principles from a comparison and classification of the growth and influence of various religions.
  • compartmentalisation — Alternative form of compartmentalization.
  • compartmentalization — to divide into categories or compartments.
  • compensation culture — a culture in which people are very ready to go to law over even relatively minor incidents in the hope of gaining compensation
  • complaints procedure — a prescribed method of lodging a complaint to an institution
  • composite photograph — a photograph formed by superimposing two or more separate photographs
  • compression ignition — ignition of engine fuel by the heat of air compressed in the cylinders into which the fuel is introduced.
  • computability theory — (mathematics)   The area of theoretical computer science concerning what problems can be solved by any computer. A function is computable if an algorithm can be implemented which will give the correct output for any valid input. Since computer programs are countable but real numbers are not, it follows that there must exist real numbers that cannot be calculated by any program. Unfortunately, by definition, there isn't an easy way of describing any of them! In fact, there are many tasks (not just calculating real numbers) that computers cannot perform. The most well-known is the halting problem, the busy beaver problem is less famous but just as fascinating.
  • computer programming — the activity or profession of writing computer programs
  • computer typesetting — a system for the high-speed composition of type by a device driven by punched paper tape or magnetic tape that has been processed by a computer
  • computing dictionary — Free On-line Dictionary of Computing
  • conditioned response — a response that is transferred from the second to the first of a pair of stimuli. A well-known Pavlovian example is salivation by a dog when it hears a bell ring, because food has always been presented when the bell has been rung previously
  • confectioners' sugar — Confectioners' sugar is very fine white sugar that is used for making icing and candy.
  • conference committee — a committee made up of members from both houses whose task is to eliminate any differences between versions of legislation on the same subject passed in the different chambers
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