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20-letter words containing a, c, r, o, d

  • redheaded woodpecker — a North American woodpecker (Melanerpes erythrocephalus), with a bright-red head and neck, black back, and white underparts
  • reductio ad absurdum — a reduction to an absurdity; the refutation of a proposition by demonstrating the inevitably absurd conclusion to which it would logically lead.
  • republic of maldives — a republic occupying an archipelago of 1087 coral islands in the Indian Ocean, southwest of Sri Lanka: came under British protection in 1887; became independent in 1965 and a republic in 1968; member of the Commonwealth (1982–2016). The economy and infrastructure were severely damaged in the Indian Ocean tsunami of December 2004. Official language: Divehi. Official religion: (Sunni) Muslim. Currency: rufiyaa. Capital: Malé. Pop: 393 988 (2013 est). Area: 298 sq km (115 sq miles)
  • rose-colored glasses — a cheerful or optimistic view of things, usually without valid basis: He saw life through rose-colored glasses.
  • saint andrew's cross — a low evergreen shrub, Ascyrum hypericoides, native to temperate and subtropical America, having flowers in clusters of three: often cultivated.
  • schizoid personality — sb with identity disorder
  • schrodinger equation — the wave equation of nonrelativistic quantum mechanics. Also called Schrödinger wave equation. Compare wave equation (def 2).
  • scream bloody murder — Law. the killing of another human being under conditions specifically covered in law. In the U.S., special statutory definitions include murder committed with malice aforethought, characterized by deliberation or premeditation or occurring during the commission of another serious crime, as robbery or arson (first-degree murder) and murder by intent but without deliberation or premeditation (second-degree murder)
  • season ticket holder — a person who has a season ticket
  • second earl of essex — 2nd Earl of, Devereux, Robert.
  • second international — an international association formed in 1889 in Paris, uniting socialistic groups or parties of various countries and holding international congresses from time to time: in 1923 it joined with the Vienna International to form the Labor and Socialist International. Compare international (def 6).
  • secure accommodation — an institution where young offenders are kept in custody
  • serious fraud office — a UK government office responsible for investigating and prosecuting serious fraud cases
  • short back and sides — If a man has a short back and sides, his hair is cut very short at the back and sides with slightly thicker, longer hair on the top of the head.
  • silicon tetrahydride — silane (def 1).
  • skull and crossbones — a representation of a front view of a human skull above two crossed bones, originally used on pirates' flags and now used as a warning sign, as in designating substances as poisons.
  • small craft advisory — a U.S. National Weather Service advisory of sustained winds, over coastal and inland waters, with speeds of 20–33 knots (23–38 mph, 10–17 m/sec). Regional NWS offices have discretion over the choice of the lower limit.
  • social security card — a card that contains details of a person's social security number
  • sodium fluoroacetate — a white, amorphous, water-soluble, poisonous powder, C 2 H 2 FO 2 Na, used as a rodenticide.
  • spherical coordinate — Usually, spherical coordinates. any of three coordinates used to locate a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes.
  • spiral of archimedes — a curve that is the locus of a point that moves outward with uniform speed along a vector, beginning at the origin, while the vector rotates about the origin with uniform angular velocity. Equation (in polar coordinates): r = aθ.
  • spotted crane's-bill — the American wild geranium, Geranium maculatum.
  • summary jurisdiction — the right a court has to adjudicate immediately upon some matter arising during its proceedings
  • switchboard operator — a person who operates an installation in a telephone exchange, office, hotel, etc, at which the interconnection of telephone lines is manually controlled
  • synchronized skating — the art or sport of teams of up to twenty skaters holding onto each other and moving in patterns in time to music
  • tactical air command — a U.S. Air Force command supplying direct air support to U.S. Army ground combat units.
  • television broadcast — sth shown on tv
  • terms and conditions — commerce: rules, restrictions
  • tetrahydrocannabinol — a compound, C 21 H 30 O 2 , that is the physiologically active component in cannabis preparations (marijuana, hashish, etc.) derived from the Indian hemp plant or produced synthetically. Abbreviation: THC.
  • the grove of academe — the academic world
  • the luck of the draw — If you say that something is the luck of the draw, you mean that it is the result of chance and you cannot do anything about it.
  • thermal conductivity — the amount of heat per unit time per unit area that can be conducted through a plate of unit thickness of a given material, the faces of the plate differing by one unit of temperature.
  • thermodynamic system — a system whose states of equilibrium can be specified by a few macroscopic properties.
  • thomas of erceldoune — Thomas of, Thomas of Erceldoune.
  • three-thorned acacia — honey locust.
  • to cost someone dear — If something that someone does costs them dear, they suffer a lot as a result of it.
  • to disturb the peace — If someone is accused of disturbing the peace, they are accused of behaving in a noisy and offensive way in public.
  • tom, dick, and harry — the ordinary person; people generally; everyone: They invited every Tom, Dick, and Harry to the party.
  • tom, dick, and jerry — a hot mixed drink containing rum, brandy, egg, nutmeg, and sometimes milk
  • traditional medicine — systems of medicine developed before the era of modern medicine, based on cultural beliefs and practices handed down from generation to generation
  • transcendental logic — (in Kantian epistemology) the study of the mind with reference to its perceptions of external objects and to the objective truth of such perceptions.
  • transposed conjugate — adjoint (def 2).
  • tribromoacetaldehyde — bromal.
  • trichloroacetic acid — a toxic, deliquescent, and colorless crystalline compound, C 2 HCl 3 O 2 , soluble in water, alcohol, and ether: used in the synthesis of pharmaceuticals, herbicides, and other chemicals, and as a reagent for the detection of albumin. Abbreviation: TCA.
  • troilus and cressida — a satiric comedy (1598–1602?) by Shakespeare.
  • tropical disturbance — a very weak, or incipient, tropical cyclone.
  • twisted stomach worm — stomach worm.
  • university education — a course of study undertaken and completed at a university
  • unsaddling enclosure — the area at a racecourse where horses are unsaddled after a race and often where awards are given to owners, trainers, and jockeys
  • van der waals forces — weak electrostatic forces between atoms and molecules caused by transient distortions in the distribution of electrons in the interacting atoms or molecules
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