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15-letter words containing o, n, e, h, r

  • heart operation — a surgical operation performed on the heart
  • heart tamponade — tamponade (def 2).
  • heart's content — Anatomy. a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers: a right atrium that receives blood returning from the body via the superior and inferior vena cavae, a right ventricle that pumps the blood through the pulmonary artery to the lungs for oxygenation, a left atrium that receives the oxygenated blood via the pulmonary veins and passes it through the mitral valve, and a left ventricle that pumps the oxygenated blood, via the aorta, throughout the body.
  • heartbrokenness — The state or quality of being heartbroken.
  • hearth and home — domestic realm
  • heliocentricity — measured or considered as being seen from the center of the sun.
  • hemadynamometer — An instrument by which the pressure of the blood in the arteries, or veins, is measured by the height to which it will raise a column of mercury.
  • hemangiosarcoma — A fast-growing, highly invasive variety of cancer, a sarcoma arising from the lining of blood vessels, occurring almost exclusively in dogs and rarely in cats.
  • hematoporphyrin — a porphyrin made by treating haemoglobin with acid, used to treat cancer in photodynamic therapy
  • hemicraniectomy — (surgery) The surgical removal of half of the cranium to enable brain surgery; hemicraniotomy.
  • hepatocarcinoma — (pathology) cancer of the liver.
  • hernando cortes — Hernando [er-nahn-daw] /ɛrˈnɑn dɔ/ (Show IPA), Hernán [er-nahn] /ɛrˈnɑn/ (Show IPA), 1485–1547, Spanish conqueror of Mexico.
  • hernando cortez — Hernando [er-nahn-daw] /ɛrˈnɑn dɔ/ (Show IPA), Hernán [er-nahn] /ɛrˈnɑn/ (Show IPA), 1485–1547, Spanish conqueror of Mexico.
  • heroin overdose — an excessive amount of the drug heroin, sufficient to cause illness or death
  • heterochromatin — the dense, highly stainable part of a chromosome.
  • heterochthonous — not indigenous; foreign (opposed to autochthonous): heterochthonous flora and fauna.
  • heterofullerene — (chemistry) Any compound formally derived from a fullerene by replacing one or more carbon atom by a heteroatom.
  • heterogeneities — the quality or state of being heterogeneous; composition from dissimilar parts; disparateness.
  • heterogeneously — different in kind; unlike; incongruous.
  • heteronormative — noting or relating to behavior or attitudes consistent with traditional male or female gender roles and the assumption of heterosexuality as the norm: our heteronormative culture.
  • heterotolerance — (immunology) Subsequent unresponsiveness to a different agonist.
  • hexachlorophene — a white, crystalline powder, C 13 Cl 6 H 6 O 2 , insoluble in water: used as an antibacterial agent chiefly in toothpastes and soaps.
  • hexylresorcinol — white or yellowish-white, needle-shaped crystals, C 12 H 18 O 2 , used chiefly as an antiseptic and for the expulsion of intestinal worms.
  • hibernicization — the process or act of making Irish
  • hiberno-english — Also called Anglo-Irish. the English language as spoken in Ireland.
  • high resolution — a great amount of detail visible in a photographic, TV, or video image
  • high-resolution — having or capable of producing an image characterized by fine detail: high-resolution photography; high-resolution lens.
  • holding furnace — a small furnace for holding molten metal produced in a larger melting furnace at a desired temperature for casting.
  • holding pattern — a traffic pattern for aircraft at a specified location (holding point) where they are ordered to remain until permitted to land or proceed.
  • hole-and-corner — secretive; clandestine; furtive: The political situation was full of hole-and-corner intrigue.
  • holocrystalline — (of igneous rocks) having only crystalline components and no glass
  • honey tangerine — a citrus fruit with a deep-orange pulp, formed by crossing a tangerine and a sweet orange hybrid; Murcott
  • honeycomb tripe — a part of the inner lining of the stomach of the steer, calf, hog, or sheep, resembling a honeycomb in appearance and considered a table delicacy.
  • hook and ladder — a fire engine, usually a tractor-trailer, fitted with long, extensible ladders and other equipment.
  • hoosier cabinet — a tall kitchen cabinet mass-produced during the early part of the 20th century, usually of oak, featuring an enameled work surface, storage bins, a flour sifter, etc.
  • hopeful monster — a hypothetical individual organism that, by means of a fortuitous macromutation permitting an adaptive shift to a new mode of life, becomes the founder of a new type of organism and a vehicle of macroevolution.
  • hopper casement — a casement with a sash hinged at the bottom.
  • horizontal well — A horizontal well is a well which has sections that have been drilled at more than 80 degrees from the vertical in order to penetrate a greater length of the reservoir.
  • horned cucumber — a tropical African plant, Cucumis metuliferus, having fruit with spiky, orange skin and jellylike pulp that tastes like cucumbers.
  • horned oak gall — a small, round tumor, formed around wasp eggs laid in the branches of a pin oak tree, that disrupts the flow of nutrients to the tree, with consequent defoliation and death.
  • horned screamer — a screamer, Anhima cornuta, of tropical South America, having a long, slender hornlike process projecting from the forehead.
  • horner's method — a technique, involving successive substitutions, for approximating the real roots of an equation with real coefficients.
  • horror-stricken — Horror-stricken means the same as horror-struck.
  • horse-and-buggy — of or relating to the last few generations preceding the invention of the automobile: vivid recollections of horse-and-buggy days.
  • hospital corner — a fold on a bed sheet or blanket made by tucking the foot or head of the sheet straight under the mattress with the ends protruding and then making a diagonal fold at the side corner of the sheet and tucking this under to produce a triangular corner.
  • housing project — a publicly built and operated housing development, usually intended for low- or moderate-income tenants, senior citizens, etc.
  • hovering accent — indeterminacy as to which of two consecutive syllables in a line of verse bears the metrical stress, as in any of the first three feet of Slow, slow, / fresh fount, / keep time / with my / salt tears.
  • hovering vessel — a vessel in territorial waters apparently collaborating in illicit operations.
  • hughes syndrome — a condition of the autoimmune system caused by antibodies reacting against phospholipids, leading to thrombosis
  • human geography — the study of the interaction between human beings and their environment in particular places and across spatial areas.
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