18-letter words containing p, e, n, r
- 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.
- frequency spectrum — The frequency spectrum of an electrical signal is the distribution of the amplitudes and phases of each frequency component against frequency.
- from the ground up — the solid surface of the earth; firm or dry land: to fall to the ground.
- 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.
- fulminating powder — powder that explodes by percussion.
- funding operations — the conversion of government floating stock or short-term debt into holdings of long-term bonds
- funeral procession — ceremonial cortège at a burial
- gas-permeable lens — a semisoft contact lens, usually removed each day, that allows air to pass through to the eye and affords a wider range of vision corrections than a soft contact lens.
- general precession — the precession that results from both lunisolar precession and planetary precession; precession of the equinoxes.
- 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.
- get one's irish up — of, relating to, or characteristic of Ireland, its inhabitants, or their language.
- get the upper hand — gain advantage
- give a person five — to greet or congratulate someone by slapping raised hands
- glomerulonephritis — a kidney disease affecting the capillaries of the glomeruli, characterized by albuminuria, edema, and hypertension.
- gnu superoptimiser — (GSO) A function sequence generator that uses an exhaustive generate-and-test approach to find the shortest instruction sequence for a given function. Written by Torbjorn Granlund <[email protected]> and Tom Wood. You have to tell the superoptimiser which function and which CPU you want to get code for. This is useful for compiler writers. FTP superopt-2.2.tar.Z from a GNU archive site. Generates code for DEC Alpha, SPARC, Intel 80386, 88000, RS/6000, 68000, 29000 and Pyramid (SP, AP and XP).
- golden opportunity — perfect chance
- grains of paradise — Usually, grains of paradise. one of the pungent, peppery seeds of an African plant, Aframomum melegueta, of the ginger family, used to strengthen cordials and in veterinary medicine.
- grand penitentiary — See under penitentiary (def 3).
- grasshopper engine — a steam engine having a piston attached to one end of a beam that is hinged to an upright at the other end, the connecting rod being suspended from near the center of the beam.
- gravity escapement — an escapement, used especially in large outdoor clocks, in which the impulse is given to the pendulum by means of a weight falling through a certain distance.
- great expectations — a novel (1861) by Charles Dickens.
- great pastern bone — the part of the foot of a horse, cow, etc., between the fetlock and the hoof.
- greater periwinkle — a Eurasian apocynaceous evergreen plant of the genus Vinca, V. major, having trailing stems and blue flowers
- grosse pointe park — a city in SE Michigan, near Detroit.
- grumbling appendix — a condition in which the appendix causes intermittent pain but appendicitis has not developed
- half-open interval — a set of numbers between two given numbers but including only one endpoint.
- hamilton's problem — Hamiltonian problem
- harnessed antelope — any African antelope of the genus Tragelaphus, especially the bushbuck, having the body marked with white stripes and spots that resemble a harness, and, in the male, long, gently spiraling horns.
- hearing impairment — partial deafness
- 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 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.
- hotel receptionist — a person who looks after guests when they first arrive at a hotel, checking them in, giving them their keys, etc
- houghton-le-spring — a town in N England, in Sunderland unitary authority, Tyne and Wear: coal-mining. Pop: 36 746 (2001)
- hungry programmers — (body) A group of programmers producing free software.
- hydroxynaphthalene — naphthol.
- hydroxytryptamines — Plural form of hydroxytryptamine.
- hyper-intellectual — appealing to or engaging the intellect: intellectual pursuits.
- hyperaldosteronism — aldosteronism.
- hyperbilirubinemia — an abnormally high level of bilirubin in the blood, manifested by jaundice, anorexia, and malaise, occurring in association with liver disease and certain hemolytic anemias.
- 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.
- hyperproliferation — (biology) An abnormally high rate of proliferation of cells by rapid division.
- hypersensitiveness — The state of being hypersensitive.
- hypersensitization — Photography. to treat (a film or emulsion) so as to increase its speed.
- hypersexualisation — Alternative spelling of hypersexualization.
- hypersexualization — The act or process of hypersexualizing.