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19-letter words containing s, t, r, i, c, l

  • logical shift right — logical shift
  • low insertion force — (hardware)   (LIF) PGA/SPGA sockets with no handle. The integrated circuit is simply pushed into the socket, and levered out to remove. Most motherboard processor sockets are now ZIF rather than LIF.
  • machine translation — changing language of a text by computer
  • maestro di cappella — a person in charge of an orchestra, esp a private one attached to the palace of a prince in Italy during the baroque period
  • malleable cast iron — white cast iron that has been malleablized.
  • miracle of st. mark — a painting (1548) by Tintoretto.
  • molecular biologist — a specialist in the study of biological phenomena at the molecular level
  • moses-in-the-cradle — a plant, Rhoeo spathacea, native to the West Indies and Central America, having leaves with purple undersides and white flowers enclosed in a boat-shaped envelope formed by two bracts.
  • national characters — (character)   Characters with accents and other diacritical marks that are used in certain written languages (that are based on the Roman alphabet) but not in others, particularly not in English. A standard list is ISO Latin 1.
  • national serviceman — a soldier undertaking compulsory military service
  • nuclear disarmament — the gradual reduction and eventual elimination of all nuclear weapons in the world
  • object-oriented sql — (language)   (OSQL) A functional language, a superset of SQL, used in Hewlett-Packard's OpenODB database system.
  • oil-catalyst slurry — Oil-catalyst slurry is a heavy aromatic by-product of a refinery's fluid catalytic cracking unit, that forms a small part of global fuel oil supply.
  • olive-backed thrush — Swainson's thrush.
  • optical 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)
  • optimising compiler — (programming, tool)   compiler which attempts to analyse the code it produces and to produce more efficient code by performing program transformation such as branch elimination, partial evaluation, or peep-hole optimisation. Contrast pessimising compiler.
  • oscillating circuit — a circuit producing electrical oscillations.
  • parallactic ellipse — the apparent ellipse, as seen against the background of more distant stars, described annually by a nearby star because of the earth's orbital motion around the sun. Compare parallax (def 2).
  • particle dispersoid — A particle dispersoid is a suspension of solid particles in a gas.
  • particle kinematics — Particle kinematics is the study of the movement of particles, without considering the forces that cause this movement.
  • particle separation — a rule that moves the particle of a phrasal verb, thus deriving a sentence like He looked the answer up from a structure that also underlies He looked up the answer
  • particular solution — a solution of a differential equation containing no arbitrary constants.
  • pastoral counseling — the use of psychotherapeutic techniques by trained members of the clergy to assist parishioners who seek help for personal or emotional problems.
  • persecution complex — an acute irrational fear that other people are plotting one's downfall and that they are responsible for one's failures
  • physical impairment — A physical impairment is a condition in which a part of a person's body is damaged or is not working properly.
  • plastic deformation — In plastic deformation a material changes shape when a stress is applied to it and does not go back to its original state when the stress is removed.
  • police headquarters — building where police are stationed
  • port jackson willow — an Australian acacia tree, Acacia cyanophylla, introduced in the 19th century into South Africa, where it is now regarded as a pest
  • post office problem — (algorithm)   Given a set of points (in N dimensions), find another point which minimises the sum of the distances from that point to each of the others.
  • post-and-rail fence — a fence constructed of upright wooden posts with horizontal timber slotted through it
  • posttranscriptional — Genetics, Biochemistry. occurring after the formation of RNA from DNA but before the RNA strand leaves the nucleus.
  • priority scheduling — (operating system)   Processes scheduling in which the scheduler selects tasks to run based on their priority as opposed to, say, a simple round-robin. Priorities may be static or dynamic. Static priorities are assigned at the time of creation, while dynamic priorities are based on the processes' behaviour while in the system. For example, the scheduler may favour I/O-intensive tasks so that expensive requests can be issued as early as possible. A danger of priority scheduling is starvation, in which processes with lower priorities are not given the opportunity to run. In order to avoid starvation, in preemptive scheduling, the priority of a process is gradually reduced while it is running. Eventually, the priority of the running process will no longer be the highest, and the next process will start running. This method is called aging.
  • prismatic telescope — a telescope having an eyepiece at the side or top equipped with a reflecting prism, used for taking sights at steep angles.
  • private first class — a soldier ranking above a private and below a corporal or specialist fourth class in the U.S. Army, and above a private and below a lance corporal in the U.S. Marine Corps.
  • propositional logic — (logic)   (or "propositional calculus") A system of symbolic logic using symbols to stand for whole propositions and logical connectives. Propositional logic only considers whether a proposition is true or false. In contrast to predicate logic, it does not consider the internal structure of propositions.
  • public-interest law — a branch of law that often utilizes class-action suits to protect the interest of a large group or of the public at large, as in matters relating to racial discrimination, air pollution, etc.
  • quantum electronics — the application of quantum mechanics and quantum optics to the study and design of electronic devices
  • rayleigh scattering — the scattering of light by particles that are very small in relation to the wavelength of the light, and in which the intensity of the scattered light varies inversely with the fourth power of the wavelength.
  • register allocation — (compiler, algorithm)   The phase of a compiler that determines which values will be placed in registers. Register allocation may be combined with register assignment. This problem can be shown to be isomorphic to graph colouring by relating values to nodes in the graph and registers to colours. Values (nodes) which must be valid simultaneously are linked by edges and cannot be stored in the same register (coloured the same). See also register dancing and register spilling.
  • relational calculus — (database)   An operational methodolgy, founded on predicate calculus, dealing with descripitive expressions that are equivalent to the operations of relational algebra. Codd's reduction algorithm can convert from relational calculus to relational algebra. Two forms of the relational calculus exist: the tuple calculus and the domain calculus.
  • religious education — religion as school subject
  • relocation expenses — Relocation expenses are a sum of money that a company pays to someone who moves to a new area in order to work for the company. The money is to help them pay for moving house.
  • republic of letters — the collective body of literary people.
  • resorcinolphthalein — fluorescein.
  • reversible reaction — a reaction that, depending on ambient conditions, can proceed in either of two directions: the production of the reaction products from the reactants, or the production of the original reactants from the formed reaction products. Compare equilibrium (def 4).
  • rhetorical question — a question asked solely to produce an effect or to make an assertion and not to elicit a reply, as “What is so rare as a day in June?”.
  • rickettsial disease — any of several acute infectious diseases caused by ticks, mites, or body lice infected with rickettsiae. The main types include typhus, spotted fever, Q fever, trench fever, and tsutsugamushi disease
  • saccharolactic acid — mucic acid.
  • screen actors guild — a labor union for motion-picture performers, founded in 1933. Abbreviation: SAG.
  • secondary qualities — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
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