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17-letter words containing i, r, s, g

  • huygens principle — the principle that all points on a wave front of light are sources of secondary waves and that surfaces tangential to these waves define the position of the wave front at any point in time.
  • hydrogasification — a high-temperature, high-pressure process for producing liquid or gaseous fuels from fine particles of coal and hydrogen gas
  • hydrogen sulphide — Chemistry
  • image intensifier — any of various devices for amplifying the intensity of an optical image, sometimes used in conjunction with an image converter
  • immigrant workers — people who work in a country they arrived to in order to settle there
  • impossible figure — a picture of an object that at first sight looks three-dimensional but cannot be a two-dimensional projection of a real three-dimensional object, for example a picture of a staircase that re-enters itself while appearing to ascend continuously
  • in double figures — An amount or number that is in single figures is between zero and nine. An amount or number that is in double figures is between ten and ninety-nine. You can also say, for example, that an amount or number is in three figures when it is between one hundred and nine hundred and ninety-nine.
  • industrial design — the art that deals with the design problems of manufactured objects, including problems of designing such objects with consideration for available materials and means of production, of designing packages, bottles, etc., for manufactured goods, and of graphic design for manufactured objects, packages, etc.
  • inspector general — a comedy (1836) by Gogol.
  • inspector-general — a comedy (1836) by Gogol.
  • instrument flying — the control and navigation of an aircraft by reference to its gauges, with no or only limited visual reference outside the cockpit.
  • integer specratio — SPECint92
  • integral calculus — the branch of mathematics that deals with integrals, especially the methods of ascertaining indefinite integrals and applying them to the solution of differential equations and the determining of areas, volumes, and lengths.
  • integrated course — a course that covers several subjects
  • integrated optics — an assembly of miniature optical elements of a size comparable to those used in electronic integrated circuits.
  • integrated school — (in New Zealand) a private or church school that has joined the state school system
  • intensive farming — battery rearing of animals
  • interior designer — a person whose profession is the execution of interior design.
  • internet registry — (IR) The Internet Assigned Numbers Authority has the discretionary authority to delegate portions of its responsibility and, with respect to network address and Autonomous System identifiers, has lodged this responsibility with the IR. The IR function is performed by the Defense Data Network Network Information Center.
  • intrusive testing — (testing)   Testing that collects timing and processing information during program execution that may change the behaviour of the software from its behavior in a real environment. Intrusive testing usually involves additional code embedded in the software being tested or additional processes running concurrently with software being tested on the same processor.
  • inverse cotangent — arc cotangent.
  • inversion casting — casting from an electric furnace inverted over the mold.
  • irrigation system — a system of supplying (land) with water by means of artificial canals, ditches, etc, esp to promote the growth of food crops
  • isherwood framing — a system for framing steel vessels in which light, closely spaced, longitudinal frames are connected by heavy, widely spaced transverse frames with deep webs.
  • job-order costing — a method of cost accounting by which the total cost of a given unit or quantity is determined by computing the costs that go into making a product as it moves through the manufacturing process.
  • judgment of paris — the decision by Paris to award Aphrodite the golden apple of discord competed for by Aphrodite, Athena, and Hera.
  • kerguelen islands — an archipelago in the S Indian Ocean: a possession of France. 2394 sq. mi. (6200 sq. km).
  • king george's war — a war (1744–48) waged by England and its colonies against France, constituting the North American phase of the War of the Austrian Succession.
  • king philip's war — the war (1675–76) between New England colonists and a confederation of Indians under their leader, King Philip.
  • kolar gold fields — a city in S India, in SE Karnataka: a major gold-mining centre since 1881. Pop: 176 000 (2005 est)
  • langerhans islets — islets of Langerhans
  • langmuir isotherm — A Langmuir isotherm is a classical relationship between the concentrations of a solid and a fluid, used to describe a state of no change in the sorption process.
  • learning-disabled — pertaining to or having a learning disability: a learning-disabled child.
  • lebesgue integral — an integral obtained by application of the theory of measure and more general than the Riemann integral.
  • legal proceedings — court case
  • lepidopterologist — One who studies lepidopterology.
  • let something rip — If you let something rip, you do it as quickly or as forcefully as possible. You can say 'let it rip' or 'let her rip' to someone when you want them to make a vehicle go as fast as it possibly can.
  • lighthouse keeper — a person who mans a lighthouse and makes sure that the light is working properly
  • line of scrimmage — an imaginary line parallel to the goal lines that passes from one sideline to the other through the point of the football closest to the goal line of each team.
  • linear assignment — assignment problem
  • lithostratigraphy — the study or character of stratified rocks based solely on their physical and petrographic features.
  • loggerhead shrike — a common, North American shrike, Lanius ludovicianus, gray above and white below with black wings, tail, and facial mask.
  • louisiana tanager — western tanager.
  • luggage insurance — insurance against the loss of luggage while travelling
  • 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.
  • 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.
  • magnetoresistance — a change in the electrical resistance of a material upon exposure to a magnetic field.
  • malagasy republic — former name of Madagascar.
  • marais des cygnes — a river in E central Kansas and W Missouri, flowing SE to the Osage River. 150 miles (241 km) long.
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