20-letter words containing d, e, u, t, r, a
- jordan curve theorem — the theorem that the complement of a simple closed curve can be expressed as the union of two disjoint sets, each having as boundary the given curve.
- least-squares method — a method of estimating values from a set of observations by minimizing the sum of the squares of the differences between the observations and the values to be found.
- lieutenant commander — a commissioned officer ranking next below a commander and next above a lieutenant.
- like death warmed up — very ill
- macular degeneration — degeneration of the central portion of the retina, resulting in a loss of sharp vision.
- mail-order catalogue — a catalogue of goods you can buy from a particular company by mail order
- maintenance and cure — the right of an injured sailor to support and medical treatment.
- 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.
- medical underwriting — Medical underwriting is the use of medical or health status information in the evaluation of an applicant for life or health insurance.
- minimum lending rate — the official interest rate charged by the Bank of England and below which it will refrain from lending money.
- motor neuron disease — Motor neuron disease is a disease which destroys the part of a person's nervous system that controls movement.
- multicast addressing — Ethernet addressing scheme used to send packets to devices of a certain type or for broadcasting to all nodes. The least significant bit of the most significant byte of a multi-cast address is one.
- multistep hydroplane — a motorship having a flat bottom built as a series of planes inclined forward, the ship planing on each from stem to stern as its speed increases.
- mum-and-dad investor — a small-scale non-professional investor
- net national product — the gross national product less allowance for depreciation of capital goods. Abbreviation: NNP.
- newcastle-under-lyme — a town in W central England, in Staffordshire. Pop: 74 427 (2001)
- nonaccidental injury — damage, such as a bruise, burn, or fracture, deliberately inflicted on a child or an old person
- notre dame mountains — a mountain range in E Quebec, Canada, an extension of the Green Mountains in Vermont and a portion of the Appalachian Mountains: about 500 miles (800 km) long, rising about 2000 feet (610 meters).
- 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).
- pedal steel (guitar) — a steel guitar mounted on legs and equipped with pedals that serve as an additional means of changing pitch
- pentobarbital sodium — a barbiturate drug used in medicine as a sedative and hypnotic. Formula: C11H17N2O3Na
- perpendicular gothic — the style of Gothic architecture in England during the 14th and 15th centuries, characterized by tracery having vertical lines, a four-centred arch, and fan vaulting
- physical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
- portuguese water dog — one of a breed of medium-sized dogs originally developed to assist Portuguese fishermen and having a profuse black or brown coat with or without white markings and webbed feet.
- postgraduate student — a student who has obtained a degree from a university, etc, and is pursuing studies for a more advanced qualification
- potassium dichromate — an orange-red crystalline soluble solid substance that is a good oxidizing agent and is used in making chrome pigments and as a bleaching agent. Formula: K2Cr2O7
- pound cost averaging — a method of accumulating capital by investing a fixed sum in a particular security at regular intervals, in order to achieve an average purchase price below the arithmetic average of the market prices on the purchase dates
- procedural agreement — regulations agreed between the parties to collective bargaining, defining the bargaining units, bargaining scope, procedures for collective bargaining, and the facilities to be provided to trade union representatives
- production agreement — a contract concerning the production or manufacture of something
- prohibited substance — a substance, such as a drug, etc, that is banned or forbidden by law or other authority
- pseudoparenchymatous — (in certain fungi and red algae) a compact mass of tissue, made up of interwoven hyphae or filaments, that superficially resembles plant tissue.
- put the hard word on — to ask or demand something from
- quadrantal corrector — either of two soft-iron spheres attached to each side of a binnacle, intended to correct the compass deviation (quadrantal deviation) resulting from magnetism from ferrous metal in a ship.
- 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.
- queensland arrowroot — a South American and West Indian herb, Canna edulis, having large sheathing leaves, red flowers, and edible rhizomes.
- reductio ad absurdum — a reduction to an absurdity; the refutation of a proposition by demonstrating the inevitably absurd conclusion to which it would logically lead.
- redundancy agreement — an agreement over the sum of money given by an employer to an employee who has been made redundant
- 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.
- rheumatoid arthritis — a chronic autoimmune disease characterized by inflammation of the joints, frequently accompanied by marked deformities, and ordinarily associated with manifestations of a general, or systemic, affliction.
- scavenger's daughter — an instrument of torture that doubled over and squeezed the body so strongly and violently that blood was brought forth from the ears and nose: invented in 16th-century England.
- schrodinger equation — the wave equation of nonrelativistic quantum mechanics. Also called Schrödinger wave equation. Compare wave equation (def 2).
- secure accommodation — an institution where young offenders are kept in custody
- serra da mantiqueira — a mountain range in SE Brazil, running parallel to the coast. Highest point, 9140 feet (2785 meters).
- shareholders' equity — Shareholders' equity is the total amount of ownership investment in a company.
- shoulder-length hair — hair that reaches a person's shoulders
- social security card — a card that contains details of a person's social security number
- sodium fluoroacetate — a white, amorphous, water-soluble, poisonous powder, C 2 H 2 FO 2 Na, used as a rodenticide.