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18-letter words containing r, h, d, i

  • registered charity — official aid organization
  • residential school — (in Canada) a boarding school maintained by the Canadian government for Indian and Inuit children from sparsely populated settlements
  • rheims-douay bible — Douay Bible.
  • rhode island white — one of a dual-purpose American breed of chickens having white feathers and a rose comb.
  • rhodes scholarship — one of a number of scholarships at Oxford University, established by the will of Cecil Rhodes, for selected students (Rhodes scholars) from the British Commonwealth and the United States.
  • rhyming dictionary — a specialist dictionary organized by the final sounds of words, used to write poetry
  • richard p. feynman — (person, computing, architecture)   /fayn'mn/ 1918-1988. A US physicist, computer scientist and author who graduated from Massachusetts Institute of Technology and Princeton. Feynmane was a key figure in helping Oppenheimer and team develop atomic bomb. In 1950 he became a professor at Caltech and in 1965 became Nobel Prize Laureate in Physics for QED (quantum electrodynamics). He was a primary figure in "solving" the Challenger disaster O-ring problem. He "rediscovered" the former Soviet Socialist Republic of Tuva. The 2001 film "Infinity" about Feynman's early life featured Matthew Broderick and Patricia Arquette. In 2001, "QED", a play about Feynman's life featuring Alan Alda opened.
  • richard p. gabriel — Richard Gabriel
  • ride a hobby horse — an activity or interest pursued for pleasure or relaxation and not as a main occupation: Her hobbies include stamp-collecting and woodcarving.
  • rub shoulders with — to mix with socially or associate with
  • rufous hummingbird — a reddish-brown hummingbird, Selasphorus rufus, of western North America.
  • run length limited — (storage)   (RLL) The most popular scheme for encoding data on magnetic disks. RLL packs up to 50% more data on a disk than MFM. Groups of bits are mapped to specific patterns of flux. The density of flux transitions is limited by the spatial resolution of the disk and frequency response of the head and electronics. However, transitions must be close enough to allow reliable clock recovery. RLL implementations vary according to the minimum and maximum allowed numbers of transition cells between transitions. For example, the most common variant today, RLL 1,7, can have a transition in every other cell and must have at least one transition every seven cells. The exact mapping from bits to transitions is essentially arbitrary. Other schemes include GCR, FM, Modified Frequency Modulation (MFM). See also: PRML.
  • saint john's bread — carob (def 2).
  • schofield barracks — a town on central Oahu, in central Hawaii.
  • scholarship holder — a person who, because of academic merit, receives financial aid for their studies
  • scottish deerhound — one of a Scottish breed of large, tall hunting dogs having a medium-length, wiry, gray or reddish-fawn coat, originally developed for hunting and bringing down deer, and known as the royal dog of Scotland.
  • secondary syphilis — the second stage of syphilis, characterized by eruptions of the skin and mucous membrane.
  • self-comprehending — to understand the nature or meaning of; grasp with the mind; perceive: He did not comprehend the significance of the ambassador's remark.
  • september holidays — a period of time in September when people do not have to go to school, college or work
  • sharp-shinned hawk — a North American hawk, Accipiter striatus, having extremely slender legs, a bluish-gray back, and a white, rusty-barred breast.
  • shepherd satellite — a small moon orbiting near a planetary ring, whose gravitational pull helps confine the ring and the ring's extent.
  • shift one's ground — to change one's argument or defense
  • shop till you drop — If you shop till you drop, you do a large amount of shopping.
  • short-tailed shrew — a grayish-black shrew, Blarina brevicauda, common in eastern North America, that has a tail less than half the length of the body.
  • sindbad the sailor — (in The Arabian Nights' Entertainments), a wealthy citizen of Baghdad who relates the adventures of his seven wonderful voyages.
  • slim hole drilling — Slim hole drilling is drilling a well in which at least 90 percent of the hole has a diameter of seven inches or less.
  • song without words — a song which only consists of a tune or melody and does not have any lyrics
  • sonic depth finder — a sonar instrument that uses echolocation to measure depths under water.
  • southern rhodesian — a former name (until 1964) of Zimbabwe (def 1).
  • strathclyde region — a former local government region in W Scotland: formed in 1975 from Glasgow, Renfrewshire, Lanarkshire, Buteshire, Dunbartonshire, and parts of Argyllshire, Ayrshire, and Stirlingshire; replaced in 1996 by the council areas of Glasgow, Renfrewshire, East Renfrewshire, Inverclyde, North Lanarkshire, South Lanarkshire, Argyll and Bute, East Dunbartonshire, West Dunbartonshire, North Ayrshire, South Ayrshire, and East Ayrshire
  • submarine sandwich — a sandwich made with a long cylindrical bread roll
  • sulfuric anhydride — sulfur trioxide.
  • super middleweight — a boxer weighing up to 168 pounds (75.6 kg), between middleweight and light heavyweight.
  • take sth in stride — If you take a problem or difficulty in stride, you deal with it calmly and easily.
  • the american dream — the notion that the American social, economic, and political system makes success possible for every individual
  • the bird has flown — the person in question has fled or escaped
  • the dark continent — a term for Africa when it was relatively unexplored
  • the first sea lord — the senior of the two serving naval officers who sits on the admiralty board of the Ministry of Defence
  • the grand national — an annual steeplechase run at Aintree, Liverpool, since 1839
  • the hotel industry — the branch of the services industry which provides hotels
  • the movie industry — the industry that makes entertainment films or movies
  • the operative word — If you describe a word as the operative word, you want to draw attention to it because you think it is important or exactly true in a particular situation.
  • the-dark-continent — Africa: so called, especially during the 19th century, because little was known about it.
  • the-master-builder — a play (1892) by Ibsen.
  • theodore gericault — (Jean Louis André) Théodore [zhahn lwee ahn-drey tey-aw-dawr] /ʒɑ̃ lwi ɑ̃ˈdreɪ teɪ ɔˈdɔr/ (Show IPA), 1791–1824, French painter.
  • therese de lisieux — Saint (Marie Françoise Thérèse Martin"the Little Flower") 1873–97, French Carmelite nun.
  • thin on the ground — If people or things of a particular kind are thin on the ground, there are very few of them.
  • think the world of — the earth or globe, considered as a planet.
  • thioarsenious acid — any of a group of hypothetical acids, H3AsS3, HAsS2, and H4As2S5, known only in the forms of their salts
  • thiosulphuric acid — an unstable acid known only in solutions and in the form of its salts. Formula: H2S2O3
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