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20-letter words containing t, r, e, a, c, h

  • 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.
  • characteristic curve — a graph of the density of a particular photographic material plotted against the logarithm of the exposure producing this density
  • characteristic x-ray — an x-ray that is emitted from an atom when an electron is displaced from an inner shell.
  • charismatic movement — any of various groups, within existing denominations, that emphasize communal prayer and the charismatic gifts of speaking in tongues, healing, etc
  • chartered accountant — (in Britain) an accountant who has passed the professional examinations of the Institute of Chartered Accountants in England and Wales, the Institute of Chartered Accountants of Scotland, or the Institute of Chartered Accountants in Ireland
  • checkerboard pattern — checked pattern that looks like a draughtboard
  • chemical fingerprint — a distinctive characteristic or pattern indicating the presence of a certain molecule, used to identify a chemical.
  • 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
  • child-abuse register — (in Britain) a list of children deemed to be at risk of abuse or injury from their parents or guardians, compiled and held by a local authority, area health authority, or NSPCC Special Unit
  • 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 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
  • 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
  • clothes manufacturer — a business concern that manufactures clothes
  • 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.
  • cold-weather payment — (in Britain) a payment made by the government to people on low incomes when the temperature falls below a certain level for a specific number of days
  • common yellow throat — a widely distributed wood warbler, Geothlypis trichas, of North America and Mexico, in the male having a black facial mask and yellow underparts.
  • communication theory — information theory.
  • complex carbohydrate — a carbohydrate, as sucrose or starch, that consists of two or more monosaccharide units.
  • composite photograph — a photograph formed by superimposing two or more separate photographs
  • 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.
  • contact metamorphism — localized metamorphism resulting from the heat of an igneous intrusion.
  • convective discharge — the repulsion of ions of a gas by a highly charged body, creating a discernible wind.
  • craft apprenticeship — a period of training for a skilled trade in industry, such as for a plumber or electrician
  • craniosacral therapy — a form of therapy for various disorders in which the therapist manipulates the bones of the skull
  • crime and punishment — a novel (1866) by Feodor Dostoevsky.
  • cross someone's path — to meet or thwart someone
  • cut one's own throat — to be the means of one's own ruin
  • cut the gordian knot — to find a quick, bold solution for a perplexing problem
  • cylinder head gasket — (in an automobile engine) a gasket placed between the cylinder and the cylinder heads to avoid leaks of coolant and compression
  • decahydronaphthalene — a colorless, aromatic liquid, C 10 H 18 , insoluble in water and soluble in alcohol and ether: used as a solvent for oils, fats, etc., in cleaning fluids, lubricants, etc.
  • demographic timebomb — a predicted shortage of school-leavers and consequently of available workers, caused by an earlier drop in the birth rate, resulting in an older workforce
  • diabetic retinopathy — a disorder of the blood vessels of the retina occurring as a complication of poorly controlled diabetes mellitus and often leading to blindness.
  • dichloroethyl formal — a colorless liquid, C 5 H 10 O 2 Cl 2 , used chiefly as a solvent and in the manufacture of certain synthetic rubbers.
  • disruptive discharge — the sudden, large increase in current through an insulating medium resulting from complete failure of the medium under electrostatic stress.
  • distress merchandise — goods sold below the prevailing price in order to raise cash quickly or to meet some other financial emergency.
  • distribution channel — trade: retailer
  • double-aspect theory — a monistic theory that holds that mind and body are not distinct substances but merely different aspects of a single substance
  • ecumenical patriarch — the patriarch of Constantinople, regarded as the highest dignitary of the Greek Orthodox Church.
  • edward the confessor — Saint, 1002?–66, English king 1042–66: founder of Westminster Abbey.
  • electrocardiographic — Of or pertaining to an electrocardiogram (ECG) or electrocardiograph.
  • electroencephalogram — A test or record of brain activity produced by electroencephalography.
  • electrohydrodynamics — (physics) the study of the dynamics of electrically conducting fluid.
  • electrophysiological — Of or pertaining to electrophysiology.
  • electroshock therapy — a form of shock therapy in which electric current is applied to the brain
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