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18-letter words containing g, r, a, d, n

  • radiometric dating — any method of determining the age of earth materials or objects of organic origin based on measurement of either short-lived radioactive elements or the amount of a long-lived radioactive element plus its decay product.
  • radius of gyration — the distance from an axis at which the mass of a body may be assumed to be concentrated and at which the moment of inertia will be equal to the moment of inertia of the actual mass about the axis, equal to the square root of the quotient of the moment of inertia and the mass.
  • ragtag and bobtail — the riffraff; rabble: The ragtag and bobtail of every nation poured into the frontier in search of gold.
  • rain cats and dogs — water that is condensed from the aqueous vapor in the atmosphere and falls to earth in drops more than 1/50 inch (0.5 mm) in diameter. Compare drizzle (def 6).
  • reduction strategy — (theory)   An algorithm for deciding which redex(es) to reduce next. Different strategies have different termination properties in the presence of recursive functions or values. See string reduction, normal order reduction, applicative order reduction, parallel reduction
  • registered company — a company which has officially registered its business
  • regular hexahedron — a solid cube with six square faces
  • residual magnetism — remanence.
  • resistance welding — welding utilizing pressure and heat that is generated in the pieces to be welded by resistance to an electric current.
  • retrograde amnesia — a memory disorder characterized by an inability to remember events or experiences that occurred before a significant point in time.
  • rhyming dictionary — a specialist dictionary organized by the final sounds of words, used to write poetry
  • risk based testing — (testing)   Testing based on identification of potential risks (or "candidate risks"), which should be analysed by the project stakeholder or which might appear during the project's development.
  • rotational molding — a method for molding hollow plastic objects by placing finely divided particles in a hollow mold that is rotated about two axes, exposing it to heat and then to cold.
  • runge-kutta method — a numerical method, involving successive approximations, used to solve differential equations.
  • saint george's day — April 23, celebrated in parts of the British Commonwealth in honor of the patron saint of Britain and especially in New Zealand as a bank holiday.
  • seafloor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
  • secondary diagonal — a diagonal line or plane.
  • secondary offering — the sale of a large block of outstanding stock off the floor of an exchange, usually by a major stockholder.
  • self-deprecatingly — in a self-deprecating manner
  • self-disparagement — the act of disparaging.
  • self-understanding — mental process of a person who comprehends; comprehension; personal interpretation: My understanding of the word does not agree with yours.
  • skin friction drag — aerodynamic resistance or drag due to the contact of moving air with the surface of an airplane, a glider, etc.
  • sound spectrograph — an electronic device for recording a sound spectogram.
  • sow dragon's teeth — to take some action that is intended to prevent strife or trouble but that actually brings it about
  • spread one's wings — to make full use of one's abilities
  • stand one's ground — the solid surface of the earth; firm or dry land: to fall to the ground.
  • stand-by generator — an electrical system which operates automatically in case the usual system malfunctions
  • stand-by passenger — someone who buys a (usually cheaper) ticket, if they are still available, on a plane just before it is about to leave rather than booking in advance
  • standard of living — a grade or level of subsistence and comfort in everyday life enjoyed by a community, class, or individual: The well-educated generally have a high standard of living.
  • 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
  • submaxillary gland — submandibular gland.
  • summary proceeding — a mode of trial authorized by statute to be held before a judge without the usual full hearing.
  • tender loving care — considerate and kindly care, as of someone who is ill, upset, etc
  • the grand national — an annual steeplechase run at Aintree, Liverpool, since 1839
  • third man argument — (in the philosophy of Aristotle) the argument against the existence of Platonic Forms that since the Form of Man is itself a perfect man, a further form (the "third" man) would be required to explain this, and so ad infinitum
  • three-day eventing — participation in a three day equestrian competition consisting of dressage, cross-country jumping, and stadium jumping
  • to a grinding halt — If you describe a bad situation as grinding, you mean it never gets better, changes, or ends.
  • to be above ground — to be alive
  • to-ing and fro-ing — If you say that there is a lot of to-ing and fro-ing, you mean that the same actions or movements or the same arguments are being repeated many times.
  • transcendental ego — (in Kantian epistemology) that part of the self that is the subject and never the object.
  • transporter bridge — a bridge for carrying passengers and vehicles by means of a platform suspended from a trolley.
  • ultrasonic welding — the use of high-energy vibration of ultrasonic frequency to produce a weld between two components which are held in close contact
  • under the aegis of — guided or protected by
  • under-registration — the act of registering.
  • universal debugger — (tool, parallel)   (udb) KSR's interactive source level debugger for serial and parallel programs written in KSR, Fortran, KSR C and KSR1 assembly language. Udb is a source level debugger for testing and debugging serial and parallel programs; it is compatible with GDB and dbx. The user can direct udb either by typing commands or graphically through an X-based window interface; the latter provides simultaneous display of source code, I/O and instructions. For parallel programs, operations can be carried out per-thread.
  • urban homesteading — homesteading (def 2).
  • wage determination — the process of setting wage rates or establishing wage structures in particular situations
  • wandering minstrel — travelling performer
  • welwyn garden city — a town in SE England, in Hertfordshire: established (1920) as a planned industrial and residential community. Pop: 43 512 (2001)
  • winged everlasting — a bushy composite plant, Ammobium alatum, of Australia, having winged branches, javelin-shaped leaves, and white flowers.
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