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17-letter words containing i, g, n

  • livingstone daisy — a gardener's name for various species of Mesembryanthemum, esp M. criniflorum, grown as garden annuals (though several are perennial) for their brightly coloured showy flowers: family Aizoaceae
  • locomotive engine — a self-propelled engine driven by steam, electricity, or diesel power and used for drawing trains along railway tracks
  • logic programming — (artificial intelligence, programming, language)   A declarative, relational style of programming based on first-order logic. The original logic programming language was Prolog. The concept is based on Horn clauses. The programmer writes a "database" of "facts", e.g. wet(water). ("water is wet") and "rules", e.g. mortal(X) :- human(X). ("X is mortal is implied by X is human"). Facts and rules are collectively known as "clauses". The user supplies a "goal" which the system attempts to prove using "resolution" or "backward chaining". This involves matching the current goal against each fact or the left hand side of each rule using "unification". If the goal matches a fact, the goal succeeds; if it matches a rule then the process recurses, taking each sub-goal on the right hand side of the rule as the current goal. If all sub-goals succeed then the rule succeeds. Each time a possible clause is chosen, a "choice point" is created on a stack. If subsequent resolution fails then control eventually returns to the choice point and subsequent clauses are tried. This is known as "backtracking". Clauses may contain logic variables which take on any value necessary to make the fact or the left hand side of the rule match a goal. Unification binds these variables to the corresponding subterms of the goal. Such bindings are associated with the choice point at which the clause was chosen and are undone when backtracking reaches that choice point. The user is informed of the success or failure of his first goal and if it succeeds and contains variables he is told what values of those variables caused it to succeed. He can then ask for alternative solutions.
  • logical operation — Boolean operation.
  • long in the tooth — (in most vertebrates) one of the hard bodies or processes usually attached in a row to each jaw, serving for the prehension and mastication of food, as weapons of attack or defense, etc., and in mammals typically composed chiefly of dentin surrounding a sensitive pulp and covered on the crown with enamel.
  • long island sound — an arm of the Atlantic between Connecticut and Long Island. 90 miles (145 km) long.
  • longitudinal wave — a wave in which the direction of displacement is the same as the direction of propagation, as a sound wave.
  • loose-joint hinge — a hinge having a knuckle formed from half of each flap, and with the upper half removable from the pin.
  • louisiana tanager — western tanager.
  • low-hanging fruit — the fruit that grows low on a tree and is therefore easy to reach
  • luggage insurance — insurance against the loss of luggage while travelling
  • lymphangiographic — Relating to lymphangiography.
  • lyon king of arms — the chief herald of Scotland
  • macro-linguistics — a field of study concerned with language in its broadest sense and including cultural and behavioral features associated with language.
  • madiba generation — the generation born around 1994, when Nelson Mandela became the first president of a multiracial South Africa
  • magellanic clouds — either of two irregular galactic clusters in the southern heavens that are the nearest independent star system to the Milky Way.
  • magnesium sulfate — a white, water-soluble salt, MgSO 4 , used chiefly in medicine and in the processing of leather and textiles.
  • magnetic constant — the permeability of free space, which has the value 4π × 10–7 henry per metre
  • magnetic meridian — a line on the earth's surface, passing in the direction of the horizontal component of the earth's magnetic field.
  • magnetic monopole — a hypothetical very heavy particle with an isolated magnetic north pole or magnetic south pole.
  • magnetic roasting — roasting of a nonmagnetic ore to render it magnetic so that it can be separated from gangue by means of a magnetic field.
  • magnetic rotation — Faraday effect.
  • magnetizing force — that part of the magnetic induction that is determined at any point in space by the current density and displacement current at that point independently of the magnetic or other physical properties of the surrounding medium. Symbol: H.
  • magnetoelasticity — the phenomenon, consisting of a change in magnetic properties, exhibited by a ferromagnetic material to which stress is applied.
  • magnetoresistance — a change in the electrical resistance of a material upon exposure to a magnetic field.
  • maintenance grant — an amount of money that a government or other institution gives to an individual, esp a student, in order to help them pay for the things that they need
  • make no apologies — If you say that you make no apologies for what you have done, you are emphasizing that you feel that you have done nothing wrong.
  • make something of — to find a use for
  • management skills — skills regarding the technique, practice, or science of managing a company, business, etc
  • managing director — manager who oversees a project
  • manganese dioxide — a blackish, crystalline or powdery substance, MnO2, that is a strong oxidizing agent, used in making batteries, matches, etc.
  • manpower planning — a procedure used in organizations to balance future requirements for all levels of employee with the availability of such employees
  • many-valued logic — the study of logical systems in which the truth-values that a proposition may have are not restricted to two, representing only truth and falsity
  • marais des cygnes — a river in E central Kansas and W Missouri, flowing SE to the Osage River. 150 miles (241 km) long.
  • 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).
  • marketing manager — a person who is in charge of a marketing department or campaign
  • marriage ceremony — official part of a wedding
  • marriage guidance — counselling for married couples
  • mechanical digger — a machine used for excavation
  • melissopalynology — The study of honey and its composition.
  • mercantile agency — commercial agency.
  • merchant shipping — shipping which is involved in commerce (rather than defence, etc)
  • mercury poisoning — illness caused by exposure to mercury
  • message switching — store and forward
  • metatungstic acid — an oxyacid acid of tungsten. Formula: H2W4O13
  • methemoglobinemia — (medicine) A form of toxic anemia characterized by the presence of methemoglobin in the blood.
  • methylidyne group — the trivalent group ≡CH.
  • michigan bankroll — a large roll of paper money in small denominations.
  • micropaleontology — the branch of paleontology dealing with the study of microscopic fossils.
  • mid-oceanic ridge — the continuous, double-ridged chain of mountains on the ocean floor, extending through the middle of the Atlantic Ocean and into the Indian and Pacific oceans
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