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15-letter words containing r, h, d, n

  • horned screamer — a screamer, Anhima cornuta, of tropical South America, having a long, slender hornlike process projecting from the forehead.
  • horner's method — a technique, involving successive substitutions, for approximating the real roots of an equation with real coefficients.
  • horse-and-buggy — of or relating to the last few generations preceding the invention of the automobile: vivid recollections of horse-and-buggy days.
  • hughes syndrome — a condition of the autoimmune system caused by antibodies reacting against phospholipids, leading to thrombosis
  • hundred flowers — the 1957 political campaign in the People's Republic of China to encourage greater freedom of intellectual expression, initiated by Mao Zedong under the slogan “Let a hundred flowers bloom, let a hundred schools of thought contend.”.
  • hundred's place — hundred (def 8).
  • hunting leopard — the cheetah.
  • huntingdonshire — a former county in E England, now part of Cambridgeshire.
  • hurdle champion — a hurdler who has defeated all others in a competition
  • hyaluronic acid — a mucopolysaccharide serving as a viscous medium in the tissues of the body and as a lubricant in joints.
  • hybrid antibody — a synthetic antibody that is able to combine with two different antigens
  • hydrodynamicist — a specialist in hydrodynamics.
  • hydrofracturing — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
  • hydrogen iodide — a colorless gas, HI, having a suffocating odor: the anhydride of hydriodic acid.
  • hydromechanical — Of or pertaining to hydromechanics.
  • hydroxonium ion — a positive ion, H3O+, formed by the attachment of a proton to a water molecule: occurs in solutions of acids and behaves like a hydrogen ion
  • hydroxycoumarin — (organic compound) Any of several isomeric hydroxy derivatives of coumarin, some of which are the basis of pharmaceuticals.
  • hype-carbonated — (of a product or service) overvalued as a result of relentless marketing and PR or intensive media exposure
  • hyperadrenalism — a glandular disorder caused by the overactivity of the adrenal glands and often resulting in obesity
  • hyperproduction — an increased or excessive production or output
  • hypersensitized — Simple past tense and past participle of hypersensitize.
  • hyperventilated — Simple past tense and past participle of hyperventilate.
  • hypochondriacal — Also, hypochondriacal, H05/H0509000 hahy-poh-kuh n-drahy-uh-kuh l, ˌhaɪ poʊ kənˈdraɪ ə kəl. Psychiatry. pertaining to or suffering from hypochondria, an excessive preoccupation with and worry about one's health: The comedy is aimed at the hypochondriac demographic. produced by hypochondria: Hypochondriac feelings overwhelmed her.
  • hypochondriases — Plural form of hypochondriasis.
  • hypochondriasis — Also, hypochondriasis [hahy-poh-kuh n-drahy-uh-sis] /ˌhaɪ poʊ kənˈdraɪ ə sɪs/ (Show IPA). Psychiatry. an excessive preoccupation with one's health, usually focusing on some particular symptom, as cardiac or gastric problems.
  • hypodorian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from A to A, with the final on D.
  • identical rhyme — rhyme created by the repetition of a word.
  • identity theory — a form of materialism which holds mental states to be identical with certain states of the brain and so to have no separate existence, but regards this identity as contingent so that mentalistic and physicalistic language are not held to be synonymous
  • in honour bound — under a moral obligation
  • in the doldrums — miserable, depressed
  • indian hawthorn — a southern Chinese evergreen shrub, Raphiolepis indica, of the rose family, having shiny, leathery leaves and pinkish-white flowers in loose clusters.
  • indicator light — a device for indicating that a motor vehicle is about to turn left or right; blinker
  • indirect speech — Indirect speech is speech which tells you what someone said, but does not use the person's actual words: for example, 'They said you didn't like it', 'I asked him what his plans were', and 'Citizens complained about the smoke'.
  • inside straight — Poker. a set of four cards, as the five, seven, eight, and nine, requiring one card of a denomination next above or below the second or third ranking cards of the set to make a straight.
  • into the ground — beyond what is requisite or can be endured; to exhaustion
  • irish wolfhound — one of an Irish breed of large, tall dogs having a rough, wiry coat ranging in color from white to brindle to black.
  • ivan sutherland — Ivan E. Sutherland is widely known for his pioneering contributions. His 1963 MIT PhD thesis, Sketchpad, opened the field of computer graphics. His 1966 work, with Sproull, on a head-mounted display anticipated today's virtual reality by 25 years. He co-founded Evans and Sutherland, which manufactures the most advanced computer image generators now in use. As head of Computer Science Department of Caltech he helped make integrated circuit design an acceptable field of academic study. Dr. Sutherland is on the boards of several small companies and is a member of the National Academy of Engineering and the National Academy of Sciences, the ACM and IEEE. He received the ACM's Turing Award in 1988. He is now Vice President and Fellow of Sun Microsystems Laboratories in Mountain View, CA, USA.
  • jewish calendar — the lunisolar calendar used by the Jews, in which time is reckoned from 3761 bc: regarded as the year of the Creation. The months, Nisan, Iyar, Sivan, Tammuz, Av, Elul, Tishri, Cheshvan, Kislev, Tevet, Shevat, and Adar, have either 29 or 30 days. Originally a new month was declared when the new moon was sighted in Jerusalem, but when this became impossible, a complex formula was devised to keep Rosh Chodesh near to the new moon. In addition, to keep the harvest festivals in the right seasons, there is a Metonic cycle of 14 years, in five of which an additional month is added after Shevat. The year according to biblical reckoning begins with Nisan, and the civil year begins with Tishri; the years are numbered from Tishri
  • judeo-christian — of or relating to the religious writings, beliefs, values, or traditions held in common by Judaism and Christianity.
  • judicial branch — the branch of government charged with the interpretation of laws and the administration of justice; the judiciary.
  • kincardineshire — a former county in E Scotland.
  • kindheartedness — The quality of being kindhearted.
  • kingsford-smith — Sir Charles (Edward). 1897–1935, Australian aviator and pioneer (with Charles Ulm) of trans-Pacific and trans-Tasman flights
  • labyrinthodonts — Plural form of labyrinthodont.
  • left-hand drive — A left-hand drive vehicle has the steering wheel on the left side, and is designed to be used in countries where people drive on the right-hand side of the road.
  • leonid brezhnev — Leonid Ilyich [ley-uh-nid il-yich;; Russian lyi-uh-nyeet ee-lyeech] /ˈleɪ ə nɪd ˈɪl yɪtʃ;; Russian lyɪ ʌˈnyit iˈlyitʃ/ (Show IPA), 1906–82, Russian political leader: first secretary of the Soviet Communist Party 1964–66; general secretary 1966–82; president of the Soviet Union 1960–64, 1977–82.
  • longshore drift — beach drift.
  • lord chancellor — the highest judicial officer of the British crown: law adviser of the ministry, keeper of the great seal, presiding officer in the House of Lords, etc.
  • luggage handler — someone whose job is to handle and direct luggage, esp at an airport
  • maidenhair fern — any fern of the cosmopolitan genus Adiantum, esp A. capillis-veneris, having delicate fan-shaped fronds with small pale-green leaflets: family Adiantaceae
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