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17-letter words containing o, c, e, a, n

  • garlic mayonnaise — mayonnaise flavoured with garlic
  • genealogical tree — family tree.
  • genetic algorithm — (GA) An evolutionary algorithm which generates each individual from some encoded form known as a "chromosome" or "genome". Chromosomes are combined or mutated to breed new individuals. "Crossover", the kind of recombination of chromosomes found in sexual reproduction in nature, is often also used in GAs. Here, an offspring's chromosome is created by joining segments choosen alternately from each of two parents' chromosomes which are of fixed length. GAs are useful for multidimensional optimisation problems in which the chromosome can encode the values for the different variables being optimised.
  • geneva convention — one of a series of international agreements, first made in Geneva, Switzerland, in 1864, establishing rules for the humane treatment of prisoners of war and of the sick, the wounded, and the dead in battle.
  • geomagnetic storm — magnetic storm.
  • get in on the act — If you get in on the act, you take part in or take advantage of something that was started by someone else.
  • get one's back up — the rear part of the human body, extending from the neck to the lower end of the spine.
  • gigaelectron volt — one billion electron-volts. Abbreviation: GeV, Gev.
  • giovanni demedici — Catherine de', Catherine de Médicis.
  • give satisfaction — to satisfy
  • glove compartment — a compartment in the dashboard of an automobile for storing small items.
  • government action — intervention by a government, esp to influence financial markets
  • graafian follicle — one of the small vesicles containing a developing ovum in the ovary of a mammal.
  • grandfather clock — a pendulum floor clock having a case as tall as or taller than a person; tall-case clock; long-case clock.
  • grandmother clock — a pendulum clock similar to a grandfather's clock but shorter.
  • greensand process — a process for casting iron with sand not previously heated.
  • grignard reaction — the reaction of a Grignard reagent with any of the numerous types of compounds with which it can combine, as alcohols, acids, aldehydes, ketones, or esters: used chiefly in organic synthesis.
  • guglielmo marconi — Guglielmo [goo-lyel-maw] /guˈlyɛl mɔ/ (Show IPA), Marchese, 1874–1937, Italian electrical engineer and inventor, especially in the field of wireless telegraphy: Nobel Prize in physics 1909.
  • haematocrystallin — Alternative form of hematocrystallin.
  • half-round chisel — a cold chisel with a semicircular cutting edge used for making narrow channels
  • hall of residence — Halls of residence are buildings with rooms or flats, usually built by universities or colleges, in which students live during the term.
  • hamiltonian cycle — Hamiltonian problem
  • hanging committee — a group of people that selects and hangs works of art to exhibit
  • harmonic interval — an intervening period of time: an interval of 50 years.
  • helicopter parent — a style of child rearing in which an overprotective mother or father discourages a child's independence by being too involved in the child's life: In typical helicopter parenting, a mother or father swoops in at any sign of challenge or discomfort.
  • hemoconcentration — an increase in the concentration of cellular elements in the blood, resulting from loss of plasma.
  • henry cabot lodge — Henry Cabot, 1850–1924, U.S. public servant and author: senator 1893–1924.
  • heptanedioic acid — pimelic acid.
  • hexacosanoic acid — cerotic acid.
  • hexadecanoic acid — palmitic acid.
  • high-carbon steel — steel containing between 0.5 and 1.5 per cent carbon
  • histamine blocker — any of various substances that act at a specific receptor site to block certain actions of histamine.
  • hollandaise sauce — a sauce of egg yolks, butter, lemon juice, and seasonings.
  • homeland security — national defence
  • homogentisic acid — an intermediate compound in the metabolism of tyrosine and of phenylalanine, found in excess in the blood and urine of persons affected with alkaptonuria.
  • horatio kitchener — Horatio Herbert (1st Earl Kitchener of Khartoum and of Broome) 1850–1916, English field marshal and statesman.
  • housekeeping cart — A housekeeping cart is a large metal basket on wheels which is used by a cleaner in a hotel to move clean bed linen, towels, and cleaning equipment.
  • hubble's constant — the ratio of the recessional velocity of galaxies to their distance from the sun, with current measurements of its value ranging from 50 to 100 km/sec per megaparsec.
  • hyperbolic secant — a hyperbolic function that is the reciprocal of cosh; sech
  • hyperchlorination — Chemistry. to combine or treat with chlorine. to introduce chlorine atoms into an organic compound by an addition or substitution reaction.
  • icing on the cake — a sweet mixture, cooked or uncooked, for coating or filling cakes, cookies, and the like; icing.
  • icosidodecahedron — A semiregular polyhedron with twelve faces that are regular pentagons and twenty that are equilateral triangles.
  • icositetrahedrons — Plural form of icositetrahedron.
  • ignoratio elenchi — the fallacy of offering proof irrelevant to the proposition in question.
  • image recognition — (graphics, artificial intelligence)   The identification of objects in an image. This process would probably start with image processing techniques such as noise removal, followed by (low-level) feature extraction to locate lines, regions and possibly areas with certain textures. The clever bit is to interpret collections of these shapes as single objects, e.g. cars on a road, boxes on a conveyor belt or cancerous cells on a microscope slide. One reason this is an AI problem is that an object can appear very different when viewed from different angles or under different lighting. Another problem is deciding what features belong to what object and which are background or shadows etc. The human visual system performs these tasks mostly unconsciously but a computer requires skillful programming and lots of processing power to approach human performance.
  • immunotherapeutic — (immunology, medicine) Of a pharmaceutical, acting on the immune system to treat disease; used in immunotherapy.
  • impersonification — (archaic) the act of impersonating; impersonation.
  • improper fraction — a fraction having the numerator greater than the denominator.
  • in someone's face — the front part of the head, from the forehead to the chin.
  • in the background — behind the focus of attention
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