21-letter words containing d, u, r, t

production department — the department of a business or organization responsible for manufacturing products
progressive education — any of various reformist educational philosophies and methodologies since the late 1800s, applied especially to elementary schools, that reject the rote recitation and strict discipline of traditional, single-classroom teaching, favoring instead more stimulation of the individual pupil as well as group discussion, more informality in the classroom, a broader curriculum, and use of laboratories, gymnasiums, kitchens, etc., in the school.
prone pressure method — a method of artificial respiration in which the patient is placed face downward, pressure then being rhythmically applied with the hands to the lower part of the thorax.
pseudohermaphroditism — an individual having internal reproductive organs of one sex and external sexual characteristics resembling those of the other sex or being ambiguous in nature. Compare hermaphrodite (def 1).
public address system — loudspeaker
public administration — the implementation of public policy, largely by the executive branch.
public-address system — a combination of electronic devices that makes sound audible via loudspeakers to many people, as in an auditorium or out of doors.
purchasing department — the group of staff within an organization that is responsible for buying goods or products
put in the hard yards — to make a great effort to achieve an end
pyrenean mountain dog — a large heavily built dog of an ancient breed originally used to protect sheep from wild animals: it has a long thick white coat with a dense ruff
quadralay corporation — (company) The developers of GWHIS. Telephone: +1 512-346-9199. Fax: +1 512-346-8990.
rayleigh distribution — (mathematics) A curve that yields a good approximation to the actual labour curves on software projects.
recurrent expenditure — ongoing expenditure of an organization, such as salaries and travelling expenses
reduced circumstances — If you say that someone is living in reduced circumstances, you mean that they do not have as much money as they used to have.
registration document — a document giving identification details of a motor vehicle, including its manufacturer, date of registration, engine and chassis numbers, and owner's name
remote procedure call — (networking, programming) (RPC) A protocol which allows a program running on one host to cause code to be executed on another host without the programmer needing to explicitly code for this. RPC is an easy and popular paradigm for implementing the client-server model of distributed computing. An RPC is initiated by the caller (client) sending request message to a remote system (the server) to execute a certain procedure using arguments supplied. A result message is returned to the caller. There are many variations and subtleties in various implementations, resulting in a variety of different (incompatible) RPC protocols.
residual unemployment — the unemployment that remains in periods of full employment, as a result of those mentally, physically, or emotionally unfit to work
ring down the curtain — to lower the curtain at the end of a theatrical performance
ring-around-the-rosey — a children's game in which the players sing while going around in a circle and squat when the lyrics “all fall down” are sung.
roodepoort-maraisburg — a city in S Transvaal, in the NE Republic of South Africa.
rutherford scattering — the scattering of an alpha particle through a large angle with respect to the original direction of motion of the particle, caused by an atom (Rutherford atom) with most of the mass and all of the positive electric charge concentrated at a center or nucleus.
s-k reduction machine — An abstract machine defined by Professor David Turner to evaluate combinator expressions represented as binary graphs. Named after the two basic combinators, S and K.
saint-maur-des-fosses — a town in N central France, near Paris, on the Marne River.
sampling distribution — the distribution of a statistic based on all possible random samples that can be drawn from a given population.
scalar triple product — the volume of the parallelepiped defined by three given vectors, u, v, and w, usually represented as u·v 1 (v×w), [ uvw ], or (uvw), where × denotes a cross product and · denotes an inner product.
school superintendent — an official whose job is to oversee school administration within a district
sedimentary sequences — Sedimentary sequences are layers of rock which are derived from weathered rocks, biogenic (= of living organisms) activity, or precipitation from solution.
silicon tetrafluoride — a colorless, fuming gas, SiF 4 , used chiefly in the manufacture of fluosilicic acid.
sing a different tune — a succession of musical sounds forming an air or melody, with or without the harmony accompanying it.
sinusoidal projection — an equal-area projection in which parallels are straight lines spaced at regular intervals, the central meridian is a straight line one-half the length of the equator, and the other meridians are curves symmetrical to the central meridian.
snr bandwidth product — (communications) The integral of the SNR over frequency. The SNR bandwidth product is an important limit in the capacity of a communication channel.
sovereign wealth fund — an investment fund created using the financial assets of a national government
statutory declaration — a declaration made under statutory authority before a justice of the peace or commissioner for oaths which may in certain cases be substituted for a statement on oath
steady state universe — a universe described by the steady state theory.
student participation — the extent to which students participate or involve themselves in a class, course, etc
suction and curettage — a technique involving extraction of the fetus through a suction tube, used to perform abortions during the early stages of pregnancy.
sunday school teacher — someone who teaches at a Sunday school
surface friction drag — the part of the drag on a body moving through a fluid that is dependent on the nature of the surface of the body
surface-to-underwater — (of a missile, message, etc.) traveling from the surface of the earth to a target underwater.
take under advisement — to consider carefully
the household cavalry — a group of British soldiers on horseback who have the job of protecting the king or queen and their family
the moral high ground — If you say that someone has taken the moral high ground, you mean that they consider that their policies and actions are morally superior to the policies and actions of their rivals.
the san andreas fault — a geological fault in California
theater of the absurd — theater in which standard or naturalistic conventions of plot, characterization, and thematic structure are ignored or distorted in order to convey the irrational or fictive nature of reality and the essential isolation of humanity in a meaningless world.
theatre of the absurd — drama in which normal conventions and dramatic structure are ignored or modified in order to present life as irrational or meaningless
third party procedure — impleader.
third-party insurance — insurance that compensates for a loss to a party other than the insured for which the insured is liable.
three-quarter binding — a binding in which the material used for the back extends further over the covers than in half binding.
to be hard luck on sb — to be unfortunate or unlucky for someone
to be killed outright — If someone is killed outright, they die immediately, for example in an accident.

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