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19-letter words containing t, h, e, c, l

  • hepatic portal vein — a vein connecting two capillary networks in the liver
  • heptachlorobiphenyl — (organic compound) Either of twenty-four isomers of the polychlorinated biphenyl containing seven chlorine atoms.
  • hermetically sealed — airtight
  • hester lynch piozzi — Hester Lynch (Hester Lynch Piozzi) 1741–1821, Welsh writer and friend of Samuel Johnson.
  • holy innocents' day — December 28, a day of religious observance commemorating the slaughter of the children of Bethlehem by Herod's order.
  • horizontal encoding — (processor)   An instruction set where each field (a bit or group of bits) in an instruction word controls some functional unit or gate directly, as opposed to vertical encoding where instruction fields are decoded (by hard-wired logic or microcode) to produce the control signals. Horizontal encoding allows all possible combinations of control signals (and therefore operations) to be expressed as instructions whereas vertical encoding uses a shorter instruction word but can only encode those combinations of operations built into the decoding logic. An instruction set may use a mixture of horizontal and vertical encoding within each instruction. Because an architecture using horizontal encoding typically requires more instruction word bits it is sometimes known as a very long instruction word (VLIW) architecture.
  • hospital facilities — the equipment and services provided by a hospital
  • hotel accommodation — the facilities and the quality of accommodation provided by a hotel
  • humanist technology — (philosophy)   Technology centered around the interests, needs, and well-being of humans.
  • hydrochlorothiazide — a crystalline, water-insoluble powder, C 7 H 8 ClN 3 O 4 S 2 , used as a diuretic and in the treatment of hypertension.
  • hydroelectric power — electricity generated by water
  • hydrostatic balance — a balance for finding the weight of an object submerged in water in order to determine the upthrust on it and thus determine its relative density
  • hyper-nationalistic — a person devoted to nationalism.
  • hyperbolic cosecant — a hyperbolic function that is the reciprocal of hyperbolic sine
  • hyperbolic function — a function of an angle expressed as a relationship between the distances from a point on a hyperbola to the origin and to the coordinate axes, as hyperbolic sine or hyperbolic cosine: often expressed as combinations of exponential functions.
  • hyperbolic geometry — the branch of non-Euclidean geometry that replaces the parallel postulate of Euclidean geometry with the postulate that two distinct lines may be drawn parallel to a given line through a point not on the given line.
  • hypercholesteraemia — (medicine) An abnormally high level of cholesterol in the blood.
  • hyperfocal distance — the distance, at a given f number, between a camera lens and the nearest point (hyperfocal point) having satisfactory definition when focused at infinity.
  • hypocholesterolemia — an abnormally low amount of cholesterol in the blood.
  • hypocholesterolemic — (pathology) Of, pertaining to, or having hypocholesterolemia.
  • immunohistochemical — (biology) Of, pertaining to, or by means of immunohistochemistry, the use of immunological techniques to study the chemistry of tissues.
  • in the second place — secondly
  • incomprehensibility — impossible to understand or comprehend; unintelligible.
  • indwelling catheter — a hollow tube left implanted in a body canal or organ, especially the bladder, to promote drainage.
  • interchangeableness — Quality of being interchangeable.
  • intermediate school — a school for pupils in grades 4 through 6.
  • international pitch — diapason normal pitch.
  • internet relay chat — (chat, messaging)   (IRC) /I-R-C/, occasionally /*rk/ A client-server chat system of large (often worldwide) networks. IRC is structured as networks of Internet servers, each accepting connections from client programs, one per user. The IRC community and the Usenet and MUD communities overlap to some extent, including both hackers and regular folks who have discovered the wonders of computer networks. Some Usenet jargon has been adopted on IRC, as have some conventions such as emoticons. There is also a vigorous native jargon (see the entry for "chat"). The largest and first IRC network is EFNet, with a smaller breakaway network called the Undernet having existed since 1992, and dozens of other networks having appeared (and sometimes disappeared) since. See also nick, bot, op.
  • isenheim altarpiece — an altarpiece (1510?–15?) painted by Matthias Grünewald.
  • jerusalem artichoke — Also called girasol. a sunflower, Helianthus tuberosus, having edible, tuberous, underground stems or rootstocks.
  • label switched path — (networking)   (LSP) The specific path through a network that a datagram follows, based on its MPLS labels.
  • land of enchantment — New Mexico (used as a nickname).
  • landscape architect — A landscape architect is the same as a landscape gardener.
  • leukoencephalopathy — (medicine) Any disease that effects the white matter of the brain.
  • lift the curtain on — to begin
  • like a cheshire cat — If someone is grinning like a Cheshire cat or like the Cheshire cat, they are smiling very widely.
  • locomotive workshop — a place where locomotives are built or repaired
  • lucent technologies — (company, telecommunications, Unix)   The former systems and equipment portion of AT&T (including Bell Laboratories), split off in 1996.
  • machine translation — changing language of a text by computer
  • magnetic north pole — the point on Earth to where a compass needle points, and which is situated near the geographic North Pole. However, with time, the exact location can vary.
  • male chauvinist pig — male chauvinist.
  • malice aforethought — a predetermination to commit an unlawful act without just cause or provocation (applied chiefly to cases of first-degree murder).
  • manned space flight — space travel in vehicles with a human crew
  • mary mcleod bethune — Mary McLeod [muh-kloud] /məˈklaʊd/ (Show IPA), 1875–1955, U.S. educator and civil-rights leader.
  • mayor of the palace — one of a line of hereditary administrative lieutenants to the Merovingian kings who eventually took over royal function and title in the Frankish kingdoms; a palatine.
  • meningoencephalitic — Relating to meningoencephalitis.
  • meningoencephalitis — Inflammation of the membranes of the brain and the adjoining cerebral tissue.
  • methyl methacrylate — a colorless, volatile, flammable, water-insoluble, liquid, unsaturated ester, C 5 H 8 O 2 , that polymerizes readily to a clear plastic.
  • middle palaeolithic — the period between the Lower and the Upper Palaeolithic, usually taken as equivalent to the Mousterian
  • molar heat capacity — the heat capacity of one mole of a substance.
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