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

  • 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.
  • horned cucumber — a tropical African plant, Cucumis metuliferus, having fruit with spiky, orange skin and jellylike pulp that tastes like cucumbers.
  • 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.
  • 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.
  • human relations — the study of group behavior for the purpose of improving interpersonal relationships, as among employees.
  • human resources — (used with a plural verb) people, especially the personnel employed by a given company, institution, or the like.
  • hurdle champion — a hurdler who has defeated all others in a competition
  • hydrodynamicist — a specialist in hydrodynamics.
  • hydromechanical — Of or pertaining to hydromechanics.
  • hydroxonium ion — a positive ion, H3O+, formed by the attachment of a proton to a water molecule: occurs in solutions of acids and behaves like a hydrogen ion
  • hydroxycoumarin — (organic compound) Any of several isomeric hydroxy derivatives of coumarin, some of which are the basis of pharmaceuticals.
  • hyper-emotional — pertaining to or involving emotion or the emotions.
  • hyperovarianism — precocious sexuality in girls due to abnormally heavy ovarian secretion.
  • hypersomnolence — sleepy; drowsy.
  • hypodorian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from A to A, with the final on D.
  • hypoproteinemia — an abnormally low concentration of protein in the blood.
  • immunochemistry — the study of the chemistry of immunologic substances and reactions.
  • in the doldrums — miserable, depressed
  • in the majority — the largest group
  • inch of mercury — a unit of atmospheric pressure, being the pressure equal to that exerted by a column of mercury one inch high under standard conditions of temperature and gravity: 33.864 millibars. Abbreviation: in. Hg.
  • incomprehension — lack of comprehension or understanding: The audience listened politely but with incomprehension.
  • incomprehensive — not comprehensive.
  • isothermal-line — Meteorology. a line on a weather map or chart connecting points having equal temperature.
  • jerusalem thorn — See under Christ's-thorn.
  • john chrysostom — Saint John, a.d. 347?–407, ecumenical patriarch of Constantinople.
  • karaoke machine — a device that plays a prerecorded backing tape, to which people take it in turns to sing
  • keratoacanthoma — (pathology) A common low-grade malignancy of the skin.
  • kingsford-smith — Sir Charles (Edward). 1897–1935, Australian aviator and pioneer (with Charles Ulm) of trans-Pacific and trans-Tasman flights
  • lymphogranuloma — any of certain diseases characterized by granulomatous lesions of lymph nodes.
  • lzh compression — (algorithm)   (After Lempel-Ziv and Haruyasu, the inventors) A compression algorithm derived from the LZSS scheme with a sliding window and additional compression applied to the output of the LZSS compressor by dynamic Huffman coding.
  • macaroni cheese — Macaroni cheese is a dish made from macaroni and cheese sauce.
  • magnetorheology — the study of the relationships between the particle and fluid properties of magnetic suspensions.
  • make the rounds — having a flat, circular surface, as a disk.
  • malayan camphor — borneol.
  • man of his word — a unit of language, consisting of one or more spoken sounds or their written representation, that functions as a principal carrier of meaning. Words are composed of one or more morphemes and are either the smallest units susceptible of independent use or consist of two or three such units combined under certain linking conditions, as with the loss of primary accent that distinguishes black·bird· from black· bird·. Words are usually separated by spaces in writing, and are distinguished phonologically, as by accent, in many languages.
  • man of the hour — a man who is honored by a group.
  • man-of-war fish — a small, tropical fish, Nomeus gronovii, that lives among the tentacles of the Portuguese man-of-war.
  • manukau harbour — an inlet of the Tasman Sea near Auckland in New Zealand on NW North Island
  • marathon runner — person who runs in a marathon race
  • marching orders — military orders, esp to infantry, giving instructions about a march, its destination, etc
  • marsh andromeda — a low-growing pink-flowered ericaceous evergreen shrub, Andromeda polifolia, that grows in peaty bogs of northern regions
  • matron of honor — a married woman acting as the principal attendant of the bride at a wedding.
  • mechanomorphism — the doctrine that the universe is fully explicable in mechanistic terms.
  • mechanoreceptor — any of the sense organs that respond to vibration, stretching, pressure, or other mechanical stimuli.
  • mechlorethamine — a nitrogen mustard, C 5 H 1 1 Cl 2 N, used in combination with other drugs in the treatment of Hodgkin's disease and certain other cancers.
  • metanitrophenol — any compound derived from phenol by the replacement of one or more of its ring hydrogen atoms by the nitro group.
  • methylene group — the bivalent organic group >CH 2 , derived from methane.
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