20-letter words containing a, l, e, y
- a shoulder to cry on — If someone offers you a shoulder to cry on or is a shoulder to cry on, they listen sympathetically as you talk about your troubles.
- acetylcholinesterase — an enzyme in nerve cells that is responsible for the destruction of acetylcholine and thus for switching off excitation of the nerve
- acetylmethylcarbinol — acetoin.
- acetylsalicylic acid — aspirin
- adventure playground — An adventure playground is an area of land for children to play in, usually in cities or in a park. It has wooden structures and equipment such as ropes, nets, and rubber tyres.
- aluminum borohydride — a volatile liquid, Al(BH 4) 3 , that ignites spontaneously in air and reacts vigorously with water to form hydrogen, used chiefly in organic synthesis.
- ambulatory care unit — a part of hospital where treatment is given to non-resident patients
- american labor party — a U.S. political party (1936–56) organized in New York City to gain independent political status for the labor and liberal factions of the Democratic Party.
- analysis of variance — any of a number of techniques for resolving the observed variance between sets of data into components, esp to determine whether the difference between two samples is explicable as random sampling variation with the same underlying population
- analytical chemistry — a branch of chemistry that deals with the identification of compounds and mixtures (qualitative analysis) or the determination of the proportions of the constituents (quantitative analysis): techniques commonly used are titration, precipitation, spectroscopy, chromatography, etc.
- anatomically correct — having representations of the sexual organs: An anatomically correct doll was shown to the witness.
- anglo-egyptian sudan — territory jointly administered by Egypt & Great Britain (1899-1956)
- antimony oxychloride — a white, water-insoluble powder, SbOCl, used chiefly in the manufacture of antimony salts.
- antimony trifluoride — a white to grayish-white, crystalline, hygroscopic, water-soluble, poisonous solid, SbF 3 , used chiefly in dyeing textiles.
- antony and cleopatra — a tragedy (1606–07?) by Shakespeare.
- articulatory feature — a property of a speech sound based on its voicing or on its place or manner of articulation in the vocal tract, as voiceless, bilabial, or stop used in describing the sound (p).
- asymmetrical warfare — warfare between a powerful military force and a weak guerilla force
- australian rye grass — a European grass, Lolium multiflorum, naturalized in North America, having flowering spikes and used as a winter turf.
- auxiliary power unit — an additional engine fitted to an aircraft to operate when the main engines are not in use
- bacteriochlorophylls — Plural form of bacteriochlorophyll.
- ballistic trajectory — the path of an unpowered object, as a missile, moving only under the influence of gravity and possibly atmospheric friction and with its surface providing no significant lift to alter the course of flight.
- barred spiral galaxy — a spiral galaxy whose center has the form of an extended bar.
- benztropine mesylate — a synthetic anticholinergic, C 21 H 25 NO⋅CH 4 O 3 S, used in the treatment of Parkinson's disease.
- benzyl isoamyl ether — a colorless liquid, C 12 H 18 O, used in soap perfumes.
- binary coded decimal — (data) (BCD, packed decimal) A number representation where a number is expressed as a sequence of decimal digits and then each decimal digit is encoded as a four-bit binary number (a nibble). E.g. decimal 92 would be encoded as the eight-bit sequence 1001 0010. In some cases, the right-most nibble contains the sign (positive or negative). It is easier to convert decimal numbers to and from BCD than binary and, though BCD is often converted to binary for arithmetic processing, it is possible to build hardware that operates directly on BCD.
- binary-coded decimal — a number in binary code written in groups of four bits, each group representing one digit of the corresponding decimal number
- biogeochemical cycle — the cycle in which nitrogen, carbon, and other inorganic elements of the soil, atmosphere, etc. of a region are converted into the organic substances of animals or plants and released back into the environment
- biological diversity — Biological diversity is the same as biodiversity.
- bobbin and fly frame — a roving machine used in the final stages of converting spun cotton fiber into yarn.
- bone mineral density — a measurement of the amount of calcium and other minerals in a segment of bone, a higher mineral content indicating a higher bone density and strength, used to detect osteoporosis or monitor its treatment.
- butterfly-shell clam — coquina.
- calcium hypochlorite — a white, crystalline compound, Ca(OCl) 2 , used as a disinfectant and bleaching agent.
- call-by-value-result — An argument passing convention where the actual argument is a variable V whose value is copied to a local variable L inside the called function or procedure. If the procedure modifies L, these changes will not affect V, which may also be in scope inside the procedure, until the procedure returns when the final value of L is copied to V. Under call-by-reference changes to L would affect V immediately. Used, for example, by BBC BASIC V on the Acorn Archimedes.
- carbohydrate loading — the practice of eating high amounts of carbohydrates, sometimes after a period of low carbohydrate intake, for several days immediately before competing in an athletic event, especially a marathon, in order to store glycogen in the body, thereby providing greater reserves of energy.
- carry all before one — to win unanimous support or approval for oneself
- central india agency — a former group of 89 states in India, under the supervision of a British political agent until 1947: most important were Indore, Bhopal, and Rewa
- chebyshev polynomial — a polynomial solution of the Tchebycheff equation, of the form T n (x) = cos(n cos −1 x), where n is an integer.
- chemical sensitivity — an allergic sensitivity to particular chemicals in air, food, clothing, water, etc.
- chemically dependent — addicted to a drug or drugs
- chemotherapeutically — By means of chemotherapy.
- child support agency — the British government agency concerned with the welfare of children
- 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.
- clay-colored sparrow — a sparrow, Spizella pallida, of the interior of North America, having buff, brown, and white plumage with a pale-gray breast.
- clay-pigeon shooting — the activity of shooting clay pigeons
- 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.
- complementary angles — either of two angles that added together produce an angle of 90°.
- complementary colors — any of two colors of the spectrum that, combined in the right intensities, produce white or nearly white light
- complementary colour — one of any pair of colours, such as yellow and blue, that give white or grey when mixed in the correct proportions
- complementary strand — either of the two chains that make up a double helix of DNA, with corresponding positions on the two chains being composed of a pair of complementary bases.
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