20-letter words containing d, r, a, f, t
- front-end volatility — Front-end volatility is the ability of the fractions with lower boiling points, such as butane, to evaporate at normal temperatures.
- fundamental particle — elementary particle.
- fundamental research — research carried out to deepen understanding of the fundamental or basic principles of something
- go from bad to worse — worsen
- grand right and left — a figure called in square dancing in which partners face each other, forming a small circle, and then advance around the circle by extending alternating right and left hands to pull past each new person until they reach their partners again.
- grand unified theory — a possible future quantum field theory that would encompass both the electroweak theory and quantum chromodynamics. Abbreviation: GUT.
- hydraulic fracturing — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
- hydrodesulfurization — desulfurization by catalytic agents of the sulfur-rich hydrocarbons obtained from petroleum or the like during cracking or hydrocracking.
- in flagrante delicto — Law. in the very act of committing the offense.
- information builders — Distributors of LEVEL5 OBJECT. Telephone +1 800 969 INFO.
- information industry — businesses that involve collecting and using information
- information overload — an excess of incoming information, as might confront a pedestrian on a crowded city street, that forces one to be selective in the information received and retained.
- infrared photography — photography using film with an emulsion that is sensitive to infrared light, enabling it to be used in misty weather, in darkened interiors, or at night. It has applications in aerial surveys, the detection of forgeries, etc
- intestinal fortitude — courage; resoluteness; endurance; guts: to have intestinal fortitude.
- jerez de la frontera — a town in SW Spain: famous for the making of sherry. Pop: 191 002 (2003 est)
- la canada-flintridge — a town in SW California.
- lafayette escadrille — a contingent of American aviators who in 1916 served as volunteers (Escadrille Américaine) in the French air force and in 1918 became the 103rd Pursuit Squadron of the U.S. Army.
- law of contradiction — the law that a proposition cannot be both true and false or that a thing cannot both have and not have a given property.
- longitudinal 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.
- make head or tail of — to attempt to understand (a problem, etc)
- margaret of scotland — Saint. 1045–93, queen consort of Malcolm III of Scotland. Her piety and benefactions to the church led to her canonization (1250). Feast days: June 10, Nov 16
- marquis de lafayette — Marie Joseph Paul Yves Roch Gilbert du Motier [ma-ree zhaw-zef pawl eev rawk zheel-ber dy maw-tyey] /maˈri ʒɔˈzɛf pɔl iv rɔk ʒilˈbɛr dü mɔˈtyeɪ/ (Show IPA), Marquis de. Also, La Fayette. 1757–1834, French soldier, statesman, and liberal leader, who served in the American Revolutionary Army as aide-de-camp to General Washington, and took a leading part in the French revolutions of 1789 and 1830.
- modify a reservation — If you modify a reservation, you change a detail of a booking because someone who has booked a room has asked you to.
- north atlantic drift — an ocean current flowing NE toward the British Isles, formed by the convergence of the Gulf Stream and the Labrador Current SE of Newfoundland.
- officer of the guard — an officer, acting under the officer of the day, who is responsible for the instruction, discipline, and performance of duty of the guard in a post, camp, or station. Abbreviation: OG, O.G.
- parallel of altitude — almucantar.
- parallel of latitude — parallel (def 9).
- partial differential — an expression obtained from a given function of several variables by taking the partial derivative with respect to one of the variables and multiplying by the increment in that variable.
- paternal grandfather — the father of someone's father
- potential difference — voltage
- powhatan confederacy — a network of Algonquian-speaking Indian settlements in Virginia that was ruled by Powhatan.
- quantum field theory — any theory in which fields are treated by the methods of quantum mechanics; each field can then be regarded as consisting of particles of a particular kind, which may be created and annihilated.
- radio interferometer — any of several different types of instrumentation designed to observe interference patterns of electromagnetic radiation at radio wavelengths: used in the discovery and measurement of radio sources in the atmosphere.
- rapid reaction force — a force that can be deployed swiftly to a site of conflict or potential conflict
- refuse disposal unit — a unit or part of a sink that disposes of waste food, etc, by grinding
- return from the dead — (jargon) To regain access to the net after a long absence. Compare person of no account.
- ring wall foundation — A ring wall foundation is a base made of concrete, used to put large tanks on.
- sarcastic fringehead — any fish of the genus Neoclinus, characterized by a row of fleshy processes on the head, as N. blanchardi (sarcastic fringehead) of California coastal waters.
- self-differentiating — to form or mark differently from other such things; distinguish.
- small craft advisory — a U.S. National Weather Service advisory of sustained winds, over coastal and inland waters, with speeds of 20–33 knots (23–38 mph, 10–17 m/sec). Regional NWS offices have discretion over the choice of the lower limit.
- sodium fluoroacetate — a white, amorphous, water-soluble, poisonous powder, C 2 H 2 FO 2 Na, used as a rodenticide.
- software methodology — (programming) The study of how to navigate through each phase of the software process model (determining data, control, or uses hierarchies, partitioning functions, and allocating requirements) and how to represent phase products (structure charts, stimulus-response threads, and state transition diagrams).
- tax-deferred annuity — an annuity that enables one to purchase an insurance product that will earn interest, with the tax obligation deferred until withdrawals begin, usually at retirement. Abbreviation: TDA.
- the founding fathers — any of the men who were members of the U.S. Constituional Convention of 1787
- the grove of academe — the academic world
- the luck of the draw — If you say that something is the luck of the draw, you mean that it is the result of chance and you cannot do anything about it.
- the order of the day — If a particular way of behaving or doing something is the order of the day, it is very common.
- third-party software — software created by programmers or publishers independent of the manufacturer of the hardware for which it is intended.
- thomas of erceldoune — Thomas of, Thomas of Erceldoune.
- to fall on deaf ears — If a request falls on deaf ears or if the person to whom the request is made turns a deaf ear to it, they take no notice of it.