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19-letter words containing h, e, r, i

  • heart in your mouth — If your heart is in your mouth, you feel very excited, worried, or frightened.
  • heel-and-toe racing — race walking.
  • heine-borel theorem — the theorem that in a metric space every covering consisting of open sets that covers a closed and compact set has a finite collection of subsets that covers the given set.
  • heinrich schliemann — Heinrich [hahyn-rikh] /ˈhaɪn rɪx/ (Show IPA), 1822–90, German archaeologist: excavated ancient cities of Troy and Mycenae.
  • helsinki conference — Conference on Security and Cooperation in Europe.
  • hemidemisemiquavers — Plural form of hemidemisemiquaver.
  • henry david thoreau — Henry David, 1817–62, U.S. naturalist and author.
  • henry the navigator — Prince, 1394–1460, prince of Portugal.
  • 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.
  • hermes trismegistus — a name variously ascribed by Neoplatonists and others to an Egyptian priest or to the Egyptian god Thoth, to some extent identified with the Grecian Hermes: various mystical, religious, philosophical, astrological, and alchemical writings were ascribed to him.
  • hermetically sealed — airtight
  • hermitian conjugate — adjoint (def 2).
  • herpes zoster virus — a type of herpesvirus that causes chickenpox and shingles.
  • hester lynch piozzi — Hester Lynch (Hester Lynch Piozzi) 1741–1821, Welsh writer and friend of Samuel Johnson.
  • hexafluoroplatinate — (chemistry) The univalent anion PtF6- prepared by reacting platinum hexafluoride with certain metals or other elements.
  • high blood pressure — elevation of the arterial blood pressure or a condition resulting from it; hypertension. Abbreviation: HBP.
  • high-bush cranberry — cranberry bush
  • high-energy physics — the branch of particle physics that deals with the collisions of particles accelerated to such high energies that new elementary particles are created by the collisions.
  • high-flying tippler — a variety of domestic pigeon bred mainly for flying
  • high-pressure steam — High-pressure steam is steam which is at or above 75 pounds per square inch gauge pressure.
  • highland clearances — in Scotland, the removal, often by force, of the people from some parts of the Highlands to make way for sheep, during the eighteenth and nineteenth centuries
  • highways department — the department of a state, council, etc, responsible for the upkeep of roads and highways
  • hildegard of bingen — Hildegard von (Hildegard of Bingen"Sibyl of the Rhine") 1098–1178, German nun, healer, writer, and composer.
  • historic episcopate — the derivation of the episcopate of a Church in historic succession from the apostles
  • honorable discharge — a discharge from military service of a person who has fulfilled obligations efficiently, honorably, and faithfully.
  • 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.
  • 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
  • horseshoe whipsnake — a long slender fast-moving nonvenomous snake, Coluber hippocrepis, of Eurasia
  • house of correction — a place for the confinement and reform of persons convicted of minor offenses and not regarded as confirmed criminals.
  • house of councilors — the upper house of the Japanese diet.
  • house of ill repute — a house of prostitution; whorehouse; brothel.
  • household insurance — an arrangement in which you pay money to a company, and they pay money to you if your household goods are stolen or damaged
  • hudson river school — a group of American painters of the mid-19th century whose works are characterized by a highly romantic treatment of landscape, especially along the Hudson River.
  • human rights abuses — acts that contravene human rights
  • human rights record — the facts that are known about the tendency of a country, regime, etc, to observe and protect human rights
  • huntington's chorea — a hereditary disease of the central nervous system characterized by brain deterioration and loss of control over voluntary movements, the symptoms usually appearing in the fourth decade of life.
  • 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
  • hydropneumatization — utilization of air pressure in the housing of a water turbine to keep the level of water that has been used from rising to interfere with the rotor blades.
  • 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
  • hydroxybenzoic acid — Hydroxybenzoic acid is the active ingredient in a number of drugs, for example, aspirin. Hydroxybenzoic acid is also used as a preservative.
  • 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.
  • hyperfine structure — the splitting of the lines of an atomic spectrum, produced by the angular momentum of the nucleus of the atom.
  • 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.
  • hyperparathyroidism — overactivity of the parathyroid gland, characterized by softening of the bones, with consequent pain, tenderness, and a tendency to spontaneous fractures, and by muscular weakness and abdominal cramps.
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