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20-letter words containing a, h, o

  • pyroligneous alcohol — methyl alcohol.
  • pythagoras's theorem — (mathematics)   The theorem of geometry, named after Pythagoras, of Samos, Ionia, stating that, for a right-angled triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides. I.e. if the longest side has length A and the other sides have lengths B and C (in any units), A^2 = B^2 + C^2 (2004-02-12)
  • quaker meeting house — a place where Quakers gather for worship
  • quantum cryptography — a method of coding information based on quantum mechanics, which is said to be unbreakable
  • quantum field theory — any theory in which fields are treated by the methods of quantum mechanics; each field can then be regarded as consisting of particles of a particular kind, which may be created and annihilated.
  • quarantine anchorage — an anchorage for ships awaiting a pratique.
  • queen of the prairie — a tall plant, Filipendula rubra, of the rose family, having branching clusters of pink flowers, growing in meadows and prairies.
  • rachel louise carson — Christopher ("Kit") 1809–68, U.S. frontiersman and scout.
  • raynaud's phenomenon — a secondary circulatory disorder, often associated with a primary vascular disease, characterized by changes of blood flow resulting in white, bluish, or red hands and feet
  • read the riot act to — to command to stop doing something regarded as wrong, under threat of punishment
  • recreational therapy — therapy by means of recreational activities engaged in by the patient
  • recreational vehicle — a van or utility vehicle used for recreational purposes, as camping, and often equipped with living facilities. Abbreviation: RV.
  • redheaded woodpecker — a North American woodpecker (Melanerpes erythrocephalus), with a bright-red head and neck, black back, and white underparts
  • return from the dead — (jargon)   To regain access to the net after a long absence. Compare person of no account.
  • return of the native — a novel (1878) by Thomas Hardy.
  • rheumatoid arthritis — a chronic autoimmune disease characterized by inflammation of the joints, frequently accompanied by marked deformities, and ordinarily associated with manifestations of a general, or systemic, affliction.
  • ride on shank's mare — to walk
  • rise to the occasion — to have the courage, wit, etc, to meet the special demands of a situation
  • rocky mountain sheep — bighorn.
  • roof over one's head — If you have a roof over your head, you have somewhere to live.
  • rough-legged buzzard — a buzzard, Buteo lagopus, of Europe, Asia, and North America, having feathers covering its legs
  • rough-winged swallow — either of two New World swallows of the genus Stelgidopteryx, having outer primary feathers with small barblike hooks on the margins.
  • royal british legion — an organization founded in 1921 to provide services and assistance for former members of the armed forces
  • rub up the wrong way — to arouse anger (in); annoy
  • run off at the mouth — Anatomy, Zoology. the opening through which an animal or human takes in food. the cavity containing the structures used in mastication. the structures enclosing or being within this cavity, considered as a whole.
  • saint anthony's fire — any of certain skin conditions that are of an inflammatory or gangrenous nature, as erysipelas, hospital gangrene, or ergotism.
  • saint john ambulance — an organization that provides first aid and first-aid training
  • saint thomas aquinas — Saint, Aquinas, Saint Thomas.
  • satellite chromosome — a type of densely staining chromosome of uncertain biological function, found in many plant and animal species.
  • satellite photograph — a photograph taken by an artificial satellite from space
  • scatter site housing — public housing, especially for low-income families, built throughout an urban area rather than being concentrated in a single neighborhood.
  • schizoid personality — sb with identity disorder
  • school without walls — a nontraditional educational program that uses community facilities as learning resources.
  • schrodinger equation — the wave equation of nonrelativistic quantum mechanics. Also called Schrödinger wave equation. Compare wave equation (def 2).
  • scottish nationalism — a political ideology advocating the independence of Scotland
  • season ticket holder — a person who has a season ticket
  • second-hand bookshop — a shop selling second-hand books
  • see the light of day — come into being
  • semiautobiographical — pertaining to or being a fictionalized account of an author's own life.
  • serve a person right — to pay a person back, esp for wrongful or foolish treatment or behaviour
  • set the ball rolling — to open or initiate (an action, discussion, movement, etc)
  • settle accounts with — to pay or receive a balance due
  • sex change operation — a surgical operation designed to change a person's physical sexual characteristics to those of the opposite sex
  • shake in one's shoes — to tremble with fear or apprehension
  • shaken baby syndrome — a usually fatal condition of abused infants brought on by violent shaking by the arms or shoulders that causes severe internal bleeding, especially around the brain and in the eyes.
  • shakespearean sonnet — a sonnet form used by Shakespeare and having the rhyme scheme abab, cdcd, efef, gg.
  • shank of the evening — the latter part of the afternoon
  • shareholders' equity — Shareholders' equity is the total amount of ownership investment in a company.
  • sharp-tailed sparrow — a sparrow, Ammospiza caudacuta, inhabiting salt marshes in North America, having narrow, sharply pointed tail feathers.
  • shear transformation — a map of a coordinate space in which one coordinate is held fixed and the other coordinate or coordinates are shifted.
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