22-letter words containing h, e, n, a
- every now and then etc — You use every in the expressions every now and then, every now and again, every once in a while, and every so often in order to indicate that something happens occasionally.
- evolutionary algorithm — (EA) An algorithm which incorporates aspects of natural selection or survival of the fittest. An evolutionary algorithm maintains a population of structures (usually randomly generated initially), that evolves according to rules of selection, recombination, mutation and survival, referred to as genetic operators. A shared "environment" determines the fitness or performance of each individual in the population. The fittest individuals are more likely to be selected for reproduction (retention or duplication), while recombination and mutation modify those individuals, yielding potentially superior ones. EAs are one kind of evolutionary computation and differ from genetic algorithms. A GA generates each individual from some encoded form known as a "chromosome" and it is these which are combined or mutated to breed new individuals. EAs are useful for optimisation when other techniques such as gradient descent or direct, analytical discovery are not possible. Combinatoric and real-valued function optimisation in which the optimisation surface or fitness landscape is "rugged", possessing many locally optimal solutions, are well suited for evolutionary algorithms.
- examining the entrails — The process of grovelling through a core dump or hex image in an attempt to discover the bug that brought a program or system down. The reference is to divination from the entrails of a sacrified animal. Compare runes, incantation, black art, desk check.
- fall prey to something — To fall prey to something bad means to be taken over or affected by it.
- fetal alcohol syndrome — a pattern of birth defects caused by maternal consumption of alcohol during pregnancy: considered as one of the fetal alcohol spectrum disorders. Abbreviation: FAS.
- first cab off the rank — the first person, etc, to do or take advantage of something
- floating exchange rate — a system in which the value of a currency fluctuates against other currencies in accordance with market forces
- foot-and-mouth disease — an acute, contagious, febrile disease of cattle, hogs, sheep, and other hoofed animals, caused by any of various rhinoviruses and characterized by vesicular eruptions in the mouth and about the hoofs, teats, and udder.
- fort benjamin harrison — a military reservation and U.S. Army training center in central Indiana, NE of Indianapolis.
- four-hundred-day clock — a clock that needs to be wound once a year, having the works exposed under a glass dome and utilizing a torsion pendulum.
- front of house manager — A front of house manager is responsible for the reception and reservations at a hotel.
- full english breakfast — morning meal of eggs, bacon, etc.
- gallamine triethiodide — a neuromuscular blocking drug, C 30 H 60 I 3 N 3 O 3 , similar to curare, used as a skeletal muscle relaxant in conjunction with surgical anesthesia.
- garmisch-partenkirchen — a city in S Germany, in the Bavarian Alps.
- geographic determinism — a doctrine that regards geographical conditions as the determining or molding agency of group life.
- get (or have) wind of — to get (or have) information or a hint concerning; hear (or know) of
- get it into one's head — to come to believe (an idea, esp a whimsical one)
- get one's act together — anything done, being done, or to be done; deed; performance: a heroic act.
- get one's hands on sth — If you get your hands on something or lay your hands on something, you manage to find it or obtain it, usually after some difficulty.
- give a person what for — to punish or reprimand a person severely
- give someone the shaft — to cheat or trick someone
- give someone the shake — to avoid or get rid of an undesirable person (or thing)
- give something a whirl — to attempt or give a trial to something
- glossopharyngeal nerve — either of the ninth pair of cranial nerves, consisting of motor fibers that innervate the muscles of the pharynx, the soft palate, and the parotid glands, and of sensory fibers that conduct impulses to the brain from the pharynx, the middle ear, and the posterior third of the tongue.
- go through one's paces — to show one's abilities, skills, etc.
- gold-exchange standard — a monetary system in one country in which currency is maintained at a par with that of another country that is on the gold standard.
- graph rewriting system — An extension of a term rewriting system which uses graph reduction on terms represented by directed graphs to avoid duplication of work by sharing expressions.
- gravitational redshift — (in general relativity) the shift toward longer wavelengths of electromagnetic radiation emitted by a source in a gravitational field, especially at the surface of a massive star.
- great australian bight — a wide bay in S Australia.
- green around the gills — the respiratory organ of aquatic animals, as fish, that breathe oxygen dissolved in water.
- guanosine triphosphate — GTP.
- hague peace conference — a meeting held at The Hague, Netherlands, in 1899, that established The Hague Permanent Court of Arbitration.
- halfwave rectification — a rectifier that changes only one half of a cycle of alternating current into a pulsating, direct current.
- hammersmith and fulham — a borough of Greater London on the River Thames: established in 1965 by the amalgamation of Fulham and Hammersmith. Pop: 174 200 (2003 est). Area: 16 sq km (6 sq miles)
- handle with kid gloves — grant special treatment to
- hang out one's shingle — a thin piece of wood, slate, metal, asbestos, or the like, usually oblong, laid in overlapping rows to cover the roofs and walls of buildings.
- hans christian oersted — Hans Christian [hahns kris-tyahn] /hɑns ˈkrɪs tyɑn/ (Show IPA), 1777–1851, Danish physicist.
- have a bun in the oven — to be pregnant
- have a leg to stand on — If you say that someone does not have a leg to stand on, or hasn't got a leg to stand on, you mean that a statement or claim they have made cannot be justified or proved.
- have all one's buttons — a small disk, knob, or the like for sewing or otherwise attaching to an article, as of clothing, serving as a fastening when passed through a buttonhole or loop.
- have one's heart in it — to have enthusiasm for something
- hawaiian standard time — the time used in the Hawaiian time zone
- heart is in your mouth — If your heart is in your mouth, you feel very excited, worried, or frightened.
- heat of solidification — the heat liberated by a unit mass of liquid at its freezing point as it solidifies: equal to the heat of fusion.
- help a person off with — to assist a person in the removal of (clothes)
- hepatitis non-a, non-b — a disease of the liver that is clinically indistinguishable from hepatitis B but is caused by a retrovirus or retroviruslike agent.
- hereford and worcester — a county in W England. 1516 sq. mi. (3926 sq. km).
- hermann-mauguin symbol — a notation for indicating a particular point group.
- hexahydroxycyclohexane — inositol.
- hexamethylenetetramine — a white, crystalline, water-soluble powder, C 6 H 12 N 4 , used as a vulcanization accelerator, an absorbent in gas masks, in the manufacture of the explosive RDX and synthetic resins, and in medicine as a diuretic and urinary antiseptic.