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18-letter words containing r, e, c, l

  • file control block — (operating system)   (FCB) An MS-DOS data structure that stores information about an open file. The number of FCBs is configured in CONFIG.SYS with a command FCBS=x,y where x (between 1 and 255 inclusive, default 4) specifies the number of file control blocks to allocate and therefore the number of files that MS-DOS can have open at one time. y (not needed from DOS 5.0 onward) specifies the number of files to be closed automatically if all x are in use.
  • financial services — A company or organization that provides financial services is able to help you do things such as make investments or buy a pension or mortgage.
  • firecracker flower — a plant, Dichelostemma ida-maia, of the amaryllis family, native to California and Oregon, having clusters of tubular scarlet flowers.
  • first class module — (programming)   A module that is a first class data object of the programming language, e.g. a record containing functions. In a functional language, it is standard to have first class programs, so program building blocks can have the same status.
  • fischer von erlach — Johann Bernhard [yaw-hahn bern-hahrt] /ˈyɔ hɑn ˈbɛrn hɑrt/ (Show IPA), 1656–1723, Austrian architect.
  • flat address space — (architecture)   The memory architecture in which any memory location can be selected from a single contiguous block by a single integer offset. Almost all popular processors have a flat address space, but the Intel x86 family has a segmented address space. A flat address space greatly simplifies programming because of the simple correspondence between addresses (pointers) and integers.
  • fluorescent screen — a transparent screen coated on one side with a phosphor that fluoresces when exposed to X-rays or cathode rays
  • fluorodeoxyglucose — (carbohydrate) A fluorine analog of glucose that is used in positron emission tomography.
  • forced development — the processing of underexposed photographic film to increase the image density
  • formal equivalence — the relation that holds between two open sentences when their universal closures are materially equivalent
  • forward compatible — forward compatibility
  • four-color problem — the problem, solved in 1976, of proving the theorem that any geographic map can be colored using only four colors so that no connected countries with a common boundary are colored the same color.
  • frederick douglassFrederick, 1817–95, U.S. ex-slave, abolitionist, and orator.
  • funeral procession — ceremonial cortège at a burial
  • garbage collection — (programming)   (GC) The process by which dynamically allocated storage is reclaimed during the execution of a program. The term usually refers to automatic periodic storage reclamation by the garbage collector (part of the run-time system), as opposed to explicit code to free specific blocks of memory. Automatic garbage collection is usually triggered during memory allocation when the amount free memory falls below some threshold or after a certain number of allocations. Normal execution is suspended and the garbage collector is run. There are many variations on this basic scheme. Languages like Lisp represent expressions as graphs built from cells which contain pointers and data. These languages use automatic dynamic storage allocation to build expressions. During the evaluation of an expression it is necessary to reclaim space which is used by subexpressions but which is no longer pointed to by anything. This reclaimed memory is returned to the free memory pool for subsequent reallocation. Without garbage collection the program's memory requirements would increase monotonically throughout execution, possibly exceeding system limits on virtual memory size. The three main methods are mark-sweep garbage collection, reference counting and copying garbage collection. See also the AI koan about garbage collection.
  • gas-cooled reactor — a nuclear reactor using a gas as the coolant. In the Mark I type the coolant is carbon dioxide, the moderator is graphite, and the fuel is uranium cased in magnox
  • general confession — a prayer confessing sins
  • general contractor — a person who contracts to construct a building or buildings, for a stipulated sum, in accordance with certain plans and specifications, or to remodel or build an addition to a building
  • general precession — the precession that results from both lunisolar precession and planetary precession; precession of the equinoxes.
  • genetic algorithms — genetic algorithm
  • gentleman-commoner — (formerly) a member of a class of commoners enjoying special privileges at Oxford University.
  • geometrical optics — the branch of optics dealing with light as rays, especially in the study of the effects of lenses and mirrors on light beams and of their combination in optical instruments.
  • glyceryl trioleate — olein.
  • golden bantam corn — a horticultural variety of sweet corn having yellow kernels.
  • gooseneck barnacle — goose barnacle
  • governor's council — a council chosen to assist or inform a governor on legislative or executive matters.
  • graduated cylinder — a narrow, cylindrical container marked with horizontal lines to represent units of measurement and used to precisely measure the volume of liquids.
  • grammatical gender — gender based on arbitrary assignment, without regard to the referent of a noun, as in French le livre (masculine), “the book,” and German das Mädchen (neuter), “the girl.”.
  • grand council fire — a formal gathering of camp fire members requiring a minimum attendance of three troops.
  • grandfather clause — U.S. History. a clause in the constitutions of some Southern states after 1890 intended to permit whites to vote while disfranchising blacks: it exempted from new literacy and property qualifications for voting those men entitled to vote before 1867 and their lineal descendants.
  • granulated surface — a roughened surface
  • great-circle track — the route of a ship following the arc of a great circle, appearing as a curved line on a Mercator chart and as a straight line on a gnomonic chart.
  • gregorian calendar — the reformed Julian calendar now in use, according to which the ordinary year consists of 365 days, and a leap year of 366 days occurs in every year whose number is exactly divisible by 4 except centenary years whose numbers are not exactly divisible by 400, as 1700, 1800, and 1900.
  • guidance counselor — advisor in schools
  • handkerchief table — corner table.
  • handlebar mustache — A handlebar mustache is a long thick mustache with curled ends.
  • haulage contractor — a person or firm that transports goods by lorry
  • have a screw loose — a metal fastener having a tapered shank with a helical thread, and topped with a slotted head, driven into wood or the like by rotating, especially by means of a screwdriver.
  • health care worker — A health care worker is someone who works in a hospital or health centre.
  • heart-lung machine — a device through which blood is shunted temporarily for oxygenation during surgery, while the heart or a lung is being repaired.
  • heimlich manoeuvre — a technique in first aid to dislodge a foreign body in a person's windpipe by applying sudden upward pressure on the upper abdomen
  • helicopter gunship — military attack helicopter
  • helicopter station — a place where helicopters are kept in readiness for use
  • hexachlorobiphenyl — (organic compound) Either of forty-two isomers of the polychlorinated biphenyl containing six chlorine atoms.
  • historical geology — the branch of geology dealing with the history of the earth.
  • historical present — the present tense used in narrating a past event as if happening at the time of narration.
  • homeowner's policy — a form of home insurance that provides compensation for damage, loss, or injury of property, personal belongings, or persons due to fire, theft, accidents, etc.
  • horseless carriage — an automobile: The horse and buggy were eventually replaced by the horseless carriage.
  • hot-water cylinder — a vertical cylindrical tank for storing hot water, esp an insulated one made of copper used in a domestic hot-water system
  • hotel receptionist — a person who looks after guests when they first arrive at a hotel, checking them in, giving them their keys, etc
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