20-letter words containing r, o, t, h, i, a
- 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 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
- 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.
- 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
- communication theory — information theory.
- 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.
- contradistinguishing — Present participle of contradistinguish.
- convective discharge — the repulsion of ions of a gas by a highly charged body, creating a discernible wind.
- craniosacral therapy — a form of therapy for various disorders in which the therapist manipulates the bones of the skull
- curry favour with sb — If one person tries to curry favour with another, they do things in order to try to gain their support or co-operation.
- cut the gordian knot — to find a quick, bold solution for a perplexing problem
- de la madrid hurtado — Miguel [mee-gel] /miˈgɛl/ (Show IPA), 1934–2012, Mexican political leader: president 1982–88.
- 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.
- diamond in the rough — a diamond in its natural state
- 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.
- differential housing — the casing that houses the differential of a motor vehicle
- distribution channel — trade: retailer
- electrocardiographic — Of or pertaining to an electrocardiogram (ECG) or electrocardiograph.
- electrohydrodynamics — (physics) the study of the dynamics of electrically conducting fluid.
- electrophysiological — Of or pertaining to electrophysiology.
- elephant in the room — an obvious truth deliberately ignored by all parties in a situation
- elizabeth of hungary — Saint. 1207–31, Hungarian princess who devoted herself to charity and asceticism. Feast day: Nov 17 and 19
- environmental health — the issues dealt with by the Environmental Health Department of a local authority, such as prevention of the spread of communicable diseases, food safety and hygiene, control of infestation by insects or rodents, etc
- erythema infectiosum — a mild infectious disease of childhood, caused by a virus, characterized by fever and a red rash spreading from the cheeks to the limbs and trunk
- feather in one's cap — one of the horny structures forming the principal covering of birds, consisting typically of a hard, tubular portion attached to the body and tapering into a thinner, stemlike portion bearing a series of slender, barbed processes that interlock to form a flat structure on each side.
- fermentation alcohol — alcohol (def 1).
- fermentation-alcohol — Also called ethyl alcohol, grain alcohol, ethanol, fermentation alcohol. a colorless, limpid, volatile, flammable, water-miscible liquid, C 2 H 5 OH, having an etherlike odor and pungent, burning taste, the intoxicating principle of fermented liquors, produced by yeast fermentation of certain carbohydrates, as grains, molasses, starch, or sugar, or obtained synthetically by hydration of ethylene or as a by-product of certain hydrocarbon syntheses: used chiefly as a solvent in the extraction of specific substances, in beverages, medicines, organic synthesis, lotions, tonics, colognes, rubbing compounds, as an automobile radiator antifreeze, and as a rocket fuel. Compare denatured alcohol, methyl alcohol.
- flight data recorder — a recording device that records relevant data during an aircraft's flight
- florence nightingale — Florence ("the Lady with the Lamp") 1820–1910, English nurse: reformer of hospital conditions and procedures; reorganizer of nurse's training programs.
- for all one is worth — good or important enough to justify (what is specified): advice worth taking; a place worth visiting.
- forty-ninth parallel — an informal name for the Canadian border with the USA, which is in part delineated by the parallel line of latitude at 49°N
- fourth international — a loose federation of small groups of radical socialists formed in 1936 under the leadership of Leon Trotsky and hostile to the Soviet Union. Compare international (def 6).
- frankfurt horizontal — Craniometry. the plane established when right and left poria and left orbitale are in the same horizontal plane.
- freight pass-through — a special allowance or discounted price given a bookseller or bookstore by a publishing house for paying the freight charge on a shipment of books ordered: so called because the shipping charge is passed on to the consumer by an increase in the suggested retail price for each book. Abbreviation: FPT.
- friends of the earth — an organization of environmentalists and conservationists whose aim is to promote the sustainable use of the earth's resources
- frosting on the cake — a sweet mixture, cooked or uncooked, for coating or filling cakes, cookies, and the like; icing.