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19-letter words containing p, e, r, n, d, i

  • dihydrostreptomycin — an antibiotic, C 21 H 41 N 7 O 12 , derived by organic synthesis from and believed to be less toxic than streptomycin: used in the form of its sulfate chiefly in the treatment of tuberculosis.
  • dimetric projection — a type of axonometric projection in which the object is shown with two of its three principal axes tilted equally from the plane of viewing
  • direct-vision prism — Amici prism.
  • directional coupler — (communications)   (tap) A passive device used in cable systems to divide and combine radio frequency signals. A directional coupler has at least three ports: line in, line out, and the tap. The signal passes between line in and line out ports with loss referred to as the insertion loss. A small portion of the signal power applied to the line in port passes to the tap port. A signal applied to the tap port is passed to the line in port less the tap attenuation value. The tap signals are isolated from the line out port to prevent reflections. A signal applied to the line out port passes to the line in port and is isolated from the tap port. Some devices provide more than one tap output line (multi-taps).
  • diriment impediment — a fact or circumstance that renders a marriage void from the beginning.
  • disjunctive pronoun — an inflection of pronouns in some languages that is used alone or after a preposition, such as moi in French
  • dispatch department — the department of an organization responsible for the dispatch of orders
  • dispersion relation — the relationship between the angular frequency (ω;) of a wave and the magnitude of its wave vector (k). Thus the wave's speed is ω/k
  • display advertising — display ads taken collectively.
  • diversional therapy — the structured use of leisure time in recreation and play as a form of or supplement to conventional therapy
  • double counterpoint — invertible counterpoint using two transposable voices.
  • electrode potential — the potential difference developed when an electrode of an element is placed in a solution containing ions of that element
  • executive president — a president in certain systems of government who possesses wide powers
  • expeditionary force — An expeditionary force is a group of soldiers who are sent to fight in a foreign country.
  • extendible compiler — (language)   (ETC) A Fortran-like compiler that can be extended with macros.
  • feynman, richard p. — Richard P. Feynman
  • free alongside ship — (of a shipment of goods) delivered to the dock without charge to the buyer, but excluding the cost of loading onto the vessel
  • gedanken experiment — thought experiment.
  • gigabits per second — (unit)   (Gbps) A unit of information transfer rate equal to one billion bits per second. Note that, while a gigabit is defined as a power of two (2^30 bits), a gigabit per second is defined as a power of ten (10^9 bits per second, which is slightly less) than 2^30).
  • grade point average — a measure of scholastic attainment computed by dividing the total number of grade points received by the total number of credits or hours of course work taken.
  • grievance procedure — the established series of steps to be taken in dealing with a grievance raised with an employer by an employee
  • grosse pointe woods — a city in SE Michigan, near Detroit.
  • ground-plane aerial — a quarter-wave vertical dipole aerial in which the electrical image forming the other quarter-wave section is formed by reflection in a system of radially disposed metal rods or in a conductive sheet
  • highways department — the department of a state, council, etc, responsible for the upkeep of roads and highways
  • hydropneumatization — utilization of air pressure in the housing of a water turbine to keep the level of water that has been used from rising to interfere with the rotor blades.
  • hyperfocal distance — the distance, at a given f number, between a camera lens and the nearest point (hyperfocal point) having satisfactory definition when focused at infinity.
  • idea of pure reason — any of the three undemonstrable entities (a personal soul, a cosmos, and a supreme being) implicit in the fact of a subject and an object of knowledge, and in the need for some principle uniting them.
  • imperial presidency — a U.S. presidency that is characterized by greater power than the Constitution allows.
  • in definite pronoun — a pronoun, as English some, any, somebody, that leaves unspecified the identity of its referent.
  • index expurgatorius — a list of books now included in the Index Librorum Prohibitorum, forbidden to be read except from expurgated editions.
  • intercardinal point — any of the four points of the compass midway between the cardinal points; northeast, southeast, southwest, or northwest.
  • interdepartmentally — involving or existing between two or more departments: interdepartmental rivalry.
  • interdisciplinarity — Any academic or scientific study that draws on the expertise of more than one discipline.
  • iterative deepening — (algorithm)   A graph search algorithm that will find the shortest path with some given property, even when the graph contains cycles. When searching for a path through a graph, starting at a given initial node, where the path (or its end node) has some desired property, a depth-first search may never find a solution if it enters a cycle in the graph. Rather than avoiding cycles (i.e. never extend a path with a node it already contains), iterative deepening explores all paths up to length (or "depth") N, starting from N=0 and increasing N until a solution is found.
  • judicial separation — a decree of legal separation of spouses that does not dissolve the marriage bond.
  • kellogg-briand pact — a treaty renouncing war as an instrument of national policy and urging peaceful means for the settlement of international disputes, originally signed in 1928 by 15 nations, later joined by 49 others.
  • kilobits per second — (unit)   (kbps, kb/s) A unit of data rate where 1 kb/s = 1000 bits per second. This contrasts with units of storage where 1 Kb = 1024 bits (note upper case K).
  • landscape architect — A landscape architect is the same as a landscape gardener.
  • landscape gardening — the art or trade of designing or rearranging large gardens, estates, etc.
  • limited partnership — a partnership formed by at least one general partner and at least one special partner.
  • linear independence — (in linear algebra) the property of a set of elements in a vector space in which none of the vectors can be written as a linear combination of the others.
  • load-bearing printf — (programming, humour)   The kind of bug present in a program which works correctly when producing debug output but fails when the debugging is turned off. The expression combines load-bearing wall and printf as used in debugging by printf.
  • magnetic tape drive — (storage)   (Or "tape drive") A peripheral device that reads and writes magnetic tape.
  • means of production — resources: equipment, workers
  • megabits per second — (unit)   (Mbps, Mb/s) Millions of bits per second. A unit of data rate. 1 Mb/s = 1,000,000 bits per second (not 1,048,576). E.g. Ethernet can carry 10 Mbps.
  • midafternoon prayer — the fifth of the seven canonical hours; none
  • mild silver protein — a compound of silver and a protein, applied to mucous membranes as a mild antiseptic.
  • mordvinian republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Saransk. Pop: 888 700 (2002). Area: 26 200 sq km (10 110 sq miles)
  • neuropsychodynamics — The theoretical synthesis of neuroscience and psychodynamics.
  • nonproprietary drug — A nonproprietary drug is a generic drug that is essentially similar to a drug with a brand name.
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