20-letter words containing d, r, a, f

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.
loyal order of moose — See under moose (def 2).
make a/no difference — If something makes a difference or makes a lot of difference, it affects you and helps you in what you are doing. If something makes no difference, it does not have any effect on what you are doing.
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.
new zealand fur seal — an Australasian seal, Arctocephalus forsteri
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.
order bill of lading — a bill of lading that is issued to the order of a shipper or consignee for delivery of the goods and that can be transferred by endorsement to third parties.
pappus of alexandria — 3rd century bc, Greek mathematician, whose eight-volume Synagoge is a valuable source of information about Greek mathematics
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
permonosulfuric acid — persulfuric acid (def 1).
potential difference — voltage
powhatan confederacy — a network of Algonquian-speaking Indian settlements in Virginia that was ruled by Powhatan.
prima facie evidence — evidence sufficient to establish a fact or to raise a presumption of fact unless rebutted.
prima-facie evidence — evidence that is sufficient to establish a fact or to raise a presumption of the truth of a fact unless controverted
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
red badge of courage — a novel (1895) by Stephen Crane.
refuse disposal unit — a unit or part of a sink that disposes of waste food, etc, by grinding
republic of maldives — a republic occupying an archipelago of 1087 coral islands in the Indian Ocean, southwest of Sri Lanka: came under British protection in 1887; became independent in 1965 and a republic in 1968; member of the Commonwealth (1982–2016). The economy and infrastructure were severely damaged in the Indian Ocean tsunami of December 2004. Official language: Divehi. Official religion: (Sunni) Muslim. Currency: rufiyaa. Capital: Malé. Pop: 393 988 (2013 est). Area: 298 sq km (115 sq miles)
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.
roof over one's head — If you have a roof over your head, you have somewhere to live.
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.
second earl of essex — 2nd Earl of, Devereux, Robert.
self-differentiating — to form or mark differently from other such things; distinguish.
serious fraud office — a UK government office responsible for investigating and prosecuting serious fraud cases
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).
spiral of archimedes — a curve that is the locus of a point that moves outward with uniform speed along a vector, beginning at the origin, while the vector rotates about the origin with uniform angular velocity. Equation (in polar coordinates): r = aθ.
spread like wildfire — If something, especially news or a rumour, spreads like wildfire, it spreads extremely quickly.
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.
to flog a dead horse — If you say that someone is flogging a dead horse, you mean that they are trying to achieve something impossible.
to land on your feet — If you say that someone always lands on their feet, you mean that they are always successful or lucky, although they do not seem to achieve this by their own efforts.
uncertificated share — a share of a mutual fund credited to the account of a shareholder without the physical issuance of a certificate evidencing ownership.

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