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17-letter words containing a, r, t, h, o, g

  • loggerhead turtle — a sea turtle, Caretta caretta, having a large head: now greatly reduced in number.
  • low-hanging fruit — the fruit that grows low on a tree and is therefore easy to reach
  • man enough to/for — If you say that a man is man enough to do something, you mean that he has the necessary courage or ability to do it.
  • margaret hamilton — (person)   (born 1936-08-17) A computer scientist, systems engineer and business owner, credited with coining the term software engineering. Margaret Hamilton published over 130 papers, proceedings and reports about the 60 projects and six major programs in which she has been involved. In 1965 she became Director of Software Programming at MIT's Charles Stark Draper Laboratory and Director of the Software Engineering Division of the MIT Instrumentation Laboratory, which developed on-board flight software for the Apollo space program. At NASA, Hamilton pioneered the Apollo on-board guidance software that navigated to and landed on the Moon and formed the basis for software used in later missions. At the time, programming was a hands-on, engineering descipline; computer science and software engineering barely existed. Hamilton produced innovations in system design and software development, enterprise and process modelling, development paradigms, formal systems modelling languages, system-oriented objects for systems modelling and development, automated life-cycle environments, software reliability, software reuse, domain analysis, correctness by built-in language properties, open architecture techniques for robust systems, full life-cycle automation, quality assurance, seamless integration, error detection and recovery, man-machine interface systems, operating systems, end-to-end testing and life-cycle management. She developed concepts of asynchronous software, priority scheduling and Human-in-the-loop decision capability, which became the foundation for modern, ultra-reliable software design. The Apollo 11 moon landing would have aborted when spurious data threatened to overload the computer, but thanks to the innovative asynchronous, priority based scheduling, it eliminated the unnecessary processing and completed the landing successfully. In 1986, she founded Hamilton Technologies, Inc., developed around the Universal Systems Language and her systems and software design paradigm of Development Before the Fact (DBTF).
  • mass spectrograph — a mass spectroscope for recording a mass spectrum on a photographic plate.
  • memetic algorithm — (algorithm)   A genetic algorithm or evolutionary algorithm which includes a non-genetic local search to improve genotypes. The term comes from the Richard Dawkin's term "meme". One big difference between memes and genes is that memes are processed and possibly improved by the people that hold them - something that cannot happen to genes. It is this advantage that the memetic algorithm has over simple genetic or evolutionary algorithms. These algorithms are useful in solving complex problems, such as the "Travelling Salesman Problem," which involves finding the shortest path through a large number of nodes, or in creating artificial life to test evolutionary theories. Memetic algorithms are one kind of metaheuristic. (07 July 1997)
  • microphotographic — Relating to microphotography.
  • montagu's harrier — a brownish European bird of prey, Circus pygargus, with long narrow wings and a long tail: family Accipitridae (hawks, harriers, etc)
  • mother of vinegar — mother2 .
  • national heritage — country's cultural legacy
  • natural logarithm — a logarithm having e as a base. Symbol: ln.
  • neuropathological — (medicine) Of, pertaining to, or arising from neuropathology, the pathology of nerve tissue.
  • normal orthogonal — orthonormal.
  • northeast passage — a ship route along the N coast of Europe and Asia, between the North Sea and the Pacific.
  • northern michigan — the peninsula between lakes Superior and Michigan constituting the N part of Michigan. Abbreviation: U.P.
  • northwest passage — a ship route along the Arctic coast of Canada and Alaska, joining the Atlantic and Pacific oceans.
  • nothing more than — merely, solely
  • on the wrong tack — a short, sharp-pointed nail, usually with a flat, broad head.
  • operating theatre — An operating theatre is a special room in a hospital where surgeons carry out medical operations.
  • organic chemistry — the branch of chemistry, originally limited to substances found only in living organisms, dealing with the compounds of carbon.
  • orthogonal matrix — a matrix that is the inverse of its transpose so that any two rows or any two columns are orthogonal vectors
  • orthogonalization — (mathematics) The process of converting a set of functions or vectors into orthogonal ones.
  • overhead lighting — lighting which throws light downwards by being situated on the ceiling or having a downward shade, etc
  • paleoanthropology — the study of the origins and predecessors of the present human species, using fossils and other remains.
  • parathyroid gland — any of several small oval glands usually lying near or embedded in the thyroid gland.
  • pastoral theology — the branch of theology dealing with the responsibilities of members of the clergy to the people under their care.
  • pathological liar — a person who tells lies frequently, with no rational motive for doing so.
  • phantom pregnancy — the occurrence of signs of pregnancy, such as enlarged abdomen and absence of menstruation, when no embryo is present, due to hormonal imbalance
  • photofluorography — photography of images produced by a fluoroscopic examination, used in x-ray examination of the lungs of large groups of people.
  • pitching rotation — the regular, scheduled succession of starting pitchers designated by a manager: a four-man pitching rotation in September.
  • pre-technological — of or relating to technology; relating to science and industry.
  • prothoracic gland — either of a pair of endocrine glands in the anterior thorax of some insects, functioning to promote the series of molts from hatching to adulthood.
  • pythagorean scale — the major scale as derived acoustically by Pythagoras from the perfect fifth.
  • radiometeorograph — a device for the automatic transmission by radio of the data from a set of meteorological instruments
  • regent honeyeater — a large brightly-coloured Australian honeyeater, Zanthomiza phrygia
  • revealed theology — theology based on the doctrine that all religious truth is derived exclusively from the revelations of God to humans.
  • right off the bat — Sports. the wooden club used in certain games, as baseball and cricket, to strike the ball. a racket, especially one used in badminton or table tennis. a whip used by a jockey. the act of using a club or racket in a game. the right or turn to use a club or racket.
  • right-to-work law — a state law making it illegal to refuse employment to a person for the sole reason that he or she is not a union member.
  • rough puff pastry — a rich flaky pastry made with butter and used for pie-crusts, flans, etc
  • rub the wrong way — to subject the surface of (a thing or person) to pressure and friction, as in cleaning, smoothing, polishing, coating, massaging, or soothing: to rub a table top with wax polish; to rub the entire back area.
  • saxe-coburg-gotha — a member of the present British royal family, from the establishment of the house in 1901 until 1917 when the family name was changed to Windsor.
  • shoestring tackle — a tackle made around the ankles of the ball carrier.
  • shooting practice — practice in shooting for soldiers or other people who shoot guns
  • significant other — Sociology. a person, as a parent or peer, who has great influence on one's behavior and self-esteem.
  • south farmingdale — a town on central Long Island, in SE New York.
  • southern triangle — the constellation Triangulum Australe.
  • spark photography — photography of fast-moving objects, as bullets, by the light of an electric spark.
  • spectroheliograph — an apparatus for making photographs of the sun with a monochromatic light to show the details of the sun's surface and surroundings as they would appear if the sun emitted only that light.
  • stag's-horn coral — staghorn coral.
  • stage-door johnny — a man who often goes to a theater or waits at a stage door to court an actress.
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