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19-letter words containing h, a, i, r, t, l

  • electrohydrodynamic — (physics) Of or pertaining to electrohydrodynamics.
  • electromechanically — In an electromechanical way.
  • electron micrograph — a photograph or image of a specimen taken using an electron microscope
  • electronic graphics — (on television) the production of graphic designs and text by electronic means
  • electrophoretically — By means of electrophoresis.
  • electrophotographic — Of or pertaining to electrophotography.
  • electrotherapeutics — (medicine) the use of electricity in therapeutics.
  • equatorial zenithal — a type of map projection in which part of the earth's surface is projected onto a plane tangential to it at the equator
  • euclidean algorithm — Euclid's Algorithm
  • exophthalmic goiter — a disease of unknown cause characterized by enlargement of the thyroid gland, overproduction of the thyroid hormone, and abnormal protrusion of the eyeballs
  • exophthalmic goitre — a form of hyperthyroidism characterized by enlargement of the thyroid gland, protrusion of the eyeballs, increased basal metabolic rate, and weight loss
  • feather-tail glider — pygmy glider.
  • fifth-wheel trailer — a horizontal ring or segment of a ring, consisting of two bands that slide on each other, placed above the front axle of a carriage and designed to support the forepart of the body while allowing it to turn freely in a horizontal plane.
  • fluoride toothpaste — toothpaste containing a small amount of fluoride as protection against tooth decay
  • for all it is worth — If someone does something for all it is worth, they do it as much as possible and for as long as they can get benefit from it.
  • for all sb is worth — If you do something for all you are worth, you do it with a lot of energy and enthusiasm.
  • gas central heating — a system of central heating fuelled by combustible gas
  • general anaesthesia — the use of a general anaesthetic
  • general anaesthetic — sth administered to induce unconsciousness
  • general partnership — a partnership in which each of the partners is fully liable for the firm's debts.
  • geothermal gradient — the increase in temperature with increasing depth within the earth.
  • giant silkworm moth — any silkworm moth of the family Saturniidae.
  • glottochronological — Of or pertaining to glottochronology.
  • great wall of china — a system of fortified walls with a roadway along the top, constructed as a defense for China against the nomads of the regions that are now Mongolia and Manchuria: completed in the 3rd century b.c., but later repeatedly modified and rebuilt. 2000 miles (3220 km) long.
  • great-grandchildren — a grandchild of one's son or daughter.
  • half wave rectifier — A half wave rectifier removes the negative component of an alternating signal leaving only the positive part.
  • half-wave rectifier — a rectifier that changes only one half of a cycle of alternating current into a pulsating, direct current.
  • halt and catch fire — (humour, processor)   (HCF) Any of several undocumented and semi-mythical machine instructions with destructive side-effects, supposedly included for test purposes on several well-known architectures going as far back as the IBM 360. The Motorola 6800 microprocessor was the first for which an HCF opcode became widely known. This instruction caused the processor to read every memory location sequentially until reset.
  • hamiltonian problem — (computability)   (Or "Hamilton's problem") A problem in graph theory posed by William Hamilton: given a graph, is there a path through the graph which visits each vertex precisely once (a "Hamiltonian path")? Is there a Hamiltonian path which ends up where it started (a "Hamiltonian cycle" or "Hamiltonian tour")? Hamilton's problem is NP-complete. It has numerous applications, sometimes completely unexpected, in computing.
  • haute vulgarisation — vulgarization, or popularization, on a higher level, esp. as done by academics, scholars, etc.
  • have a problem with — to be unable to understand or do
  • health professional — a person trained to work in any field of physical or mental health.
  • heel-and-toe racing — race walking.
  • 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
  • hexafluoroplatinate — (chemistry) The univalent anion PtF6- prepared by reacting platinum hexafluoride with certain metals or other elements.
  • historiographically — In a historiographical manner; by means of a historiography.
  • horizontal drilling — Horizontal drilling is drilling in which the direction of the wellbore is more than 80 degrees from the vertical.
  • 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.
  • horizontal mobility — movement from one position to another within the same social level, as changing jobs without altering occupational status, or moving between social groups having the same social status.
  • horsehair toadstool — a small basidiomycetous fungus, Marasmius androsaceus, having a rusty coloured cap and very slender black stems. It is related to the fairy ring mushroom, but is commonly found among conifers and heather
  • 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.
  • 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
  • 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.
  • hypolipoproteinemia — An abnormally low level of lipoprotein in the blood.
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