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

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
refrigerated lorry — a lorry which is chilled in the back as for storing food
reggio di calabria — a seaport in S Italy, on the Strait of Messina: almost totally destroyed by an earthquake 1908.
registered company — a company which has officially registered its business
regular hexahedron — a solid cube with six square faces
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
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.
shaggy dog (story) — a long, rambling joke, typically involving ludicrously unreal or irrational behavior and usually having an irrelevant conclusion
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
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
summary proceeding — a mode of trial authorized by statute to be held before a judge without the usual full hearing.
supraorbital ridge — browridge.
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
theodore gericault — (Jean Louis André) Théodore [zhahn lwee ahn-drey tey-aw-dawr] /ʒɑ̃ lwi ɑ̃ˈdreɪ teɪ ɔˈdɔr/ (Show IPA), 1791–1824, French painter.
to a grinding halt — If you describe a bad situation as grinding, you mean it never gets better, changes, or ends.
to agree to differ — If two people who are arguing about something agree to disagree or agree to differ, they decide to stop arguing because neither of them is going to change their opinion.
to be above ground — to be alive
to get a bad press — If someone or something gets a bad press, they are criticized, especially in the newspapers, on television, or on radio. If they get a good press, they are praised.
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.
urban homesteading — homesteading (def 2).
vectorcardiography — a method of determining the direction and magnitude of the electrical forces of the heart.
wage determination — the process of setting wage rates or establishing wage structures in particular situations
wildlife programme — (esp on television) a documentary whose subject is wild animals in their natural habitat or undomesticated fauna and flora generally
work-study program — a program enabling high-school or college students to combine academic work with actual job experience.
wrongful dismissal — the act of making someone redundant for reasons which are illegal or unjust

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