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18-letter words containing e, n, c, o, r

  • forensic scientist — science expert: provides evidence
  • formal equivalence — the relation that holds between two open sentences when their universal closures are materially equivalent
  • fourth commandment — “Remember the sabbath day, to keep it holy”: fourth of the Ten Commandments.
  • fracture toughness — The fracture toughness of a material is how likely it is to resist fracture.
  • frame of reference — a structure of concepts, values, customs, views, etc., by means of which an individual or group perceives or evaluates data, communicates ideas, and regulates behavior.
  • frequency function — probability density function (def 2).
  • frequency response — the effectiveness with which a circuit, device, or system processes and transmits signals fed into it, as a function of the signal frequency.
  • ftp software, inc. — (company)   Developers of the original PC/TCP Packet Driver specification. Address: 26 Princess St. Wakefield, MA 01880-3004. Telephone: +1 (617) 246 0900.
  • 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.
  • 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
  • gensym corporation — (company)   A company that supplies software and services for intelligent operations management. Common applications include quality management, process optimisation, dynamic scheduling, network management, energy and environmental management, and process modelling and simulation. Their products include G2.
  • gentleman-commoner — (formerly) a member of a class of commoners enjoying special privileges at Oxford University.
  • geodetic surveying — the surveying of the earth's surface, making allowance for its curvature and giving an accurate framework for smaller-scale surveys
  • give someone curry — to assault (a person) verbally or physically
  • golden bantam corn — a horticultural variety of sweet corn having yellow kernels.
  • gooseneck barnacle — goose barnacle
  • government deficit — A government deficit is a situation in which a government spends more money than it has.
  • governor's council — a council chosen to assist or inform a governor on legislative or executive matters.
  • grand canyon state — Arizona (used as a nickname).
  • grand council fire — a formal gathering of camp fire members requiring a minimum attendance of three troops.
  • great expectations — a novel (1861) by Charles Dickens.
  • green-backed heron — a small, American heron, Butorides striatus, having glossy green wings.
  • 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
  • gyromagnetic ratio — the ratio of the magnetic moment of a rotating charged particle to its angular momentum.
  • haulage contractor — a person or firm that transports goods by lorry
  • 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
  • herringbone stitch — a type of cross-stitch in embroidery similar to the catch stitch in sewing, consisting of an overlapped V -shaped stitch that when worked in a continuous pattern produces a twill-weave effect.
  • hexachlorobiphenyl — (organic compound) Either of forty-two isomers of the polychlorinated biphenyl containing six chlorine atoms.
  • 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.
  • honorary secretary — a unpaid person who is one of the managers of an organization
  • 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
  • hydrogen electrode — a standard reference electrode with a potential of zero, used in pH measurements, consisting of a platinum-black surface covered with hydrogen bubbles.
  • hydroxychloroquine — a colorless crystalline solid, C 18 H 26 ClN 3 O, used in the treatment of malaria, lupus erythematosus, and rheumatoid arthritis.
  • hyperconcentration — the act of concentrating; the state of being concentrated.
  • hypermodern school — a style of chess characterized by control of the centre from the flanks
  • hypernationalistic — a person devoted to nationalism.
  • hypochromic anemia — an anemia characterized by an abnormally low concentration of hemoglobin in the red blood cells, often due to iron deficiency.
  • hypodermic syringe — a small glass piston or barrel syringe having a detachable, hollow needle for use in injecting solutions subcutaneously.
  • hysterical reasons — (Or "hysterical raisins") A variant on the stock phrase "for historical reasons", indicating specifically that something must be done in some stupid way for backward compatibility, and moreover that the feature it must be compatible with was the result of a bad design in the first place. "All IBM PC video adaptors have to support MDA text mode for hysterical reasons." Compare bug-for-bug compatible.
  • ideas of reference — a schizophrenic symptom in which the patient thinks that things completely disconnected from him are influencing him or conveying messages to him
  • ignition interlock — interlock (def 10).
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