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15-letter words containing s, h, o, r

  • osteochondrosis — a disease of bone and cartilage growth centers in children that begins as a necrosis and is followed by regeneration or renewed calcification.
  • outdoorsmanship — a person devoted to outdoor sports and recreational activities, as hiking, hunting, fishing, or camping.
  • over one's head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
  • over-enthusiasm — absorbing or controlling possession of the mind by any interest or pursuit; lively interest: He shows marked enthusiasm for his studies.
  • overemphasizing — Present participle of overemphasize.
  • overorchestrate — to compose or arrange excessively
  • overthrust belt — an elongate area in which thick rock layers have been pushed over one another by compressional forces within the earth's crust.
  • oyster mushroom — oyster cap.
  • oyster toadfish — See under toadfish (def 1).
  • pairs champions — competitors in or winners of a pairs championship
  • panoramic sight — an artillery sight that can be rotated horizontally in a full circle.
  • parthenogenesis — development of an egg without fertilization.
  • passenger coach — a carriage in which passengers sit
  • passport holder — a person who has a passport
  • pepin the short — ("Pepin the Short") died a.d. 768, king of the Franks 751–768 (father of Charlemagne).
  • peroxysulphuric — as in peroxysulphuric acid
  • personal growth — development as an individual
  • phlebosclerosis — sclerosis, or hardening, of the walls of veins.
  • phloem necrosis — a disease of the American elm caused by a mycoplasmalike organism, characterized by yellowing and necrosis of the foliage and yellowish-brown discoloration of the phloem.
  • phosphate group — the group or radical obtained by removal of one or more hydrogen atoms from phosphoric acid.
  • phosphocreatine — a compound, C 4 H 1 0 O 5 N 3 P, found chiefly in muscle, formed by the enzymatic interaction of an organic phosphate and creatine, the breakdown of which provides energy for muscle contraction.
  • phosphor bronze — a bronze, composed of about 80 percent copper, 10 percent tin, 9 percent antimony, and 1 percent phosphorus, having great hardness and resistance to corrosion.
  • phosphorescence — the property of being luminous at temperatures below incandescence, as from slow oxidation in the case of phosphorus or after exposure to light or other radiation.
  • phosphoric acid — any of three acids, orthophosphoric acid, H 3 PO 4 , metaphosphoric acid, HPO 3 , or pyrophosphoric acid, H 4 P 2 O 7 , derived from phosphorus pentoxide, P 2 O 5 , and various amounts of water.
  • phosphorylation — to introduce the phosphoryl group into (an organic compound).
  • phosphorylative — of or relating to phosphorylation
  • photojournalism — journalism in which photography dominates written copy, as in certain magazines.
  • photomicroscope — a microscope having an illuminator and a camera mechanism for producing a photomicrograph.
  • photosensitizer — a drug, food, or other chemical that increases sensitivity to light and other visible photons
  • phototransistor — a transistor that amplifies current induced by photoconductivity.
  • phototypesetter — a machine for phototypesetting
  • phrasemongering — the act of coining memorable phrases
  • physical memory — (memory management)   The memory hardware (normally RAM) installed in a computer. The term is only used in contrast to virtual memory.
  • physiotherapist — physical therapy.
  • pink-shirt book — (publication)   "The Peter Norton Programmer's Guide to the IBM PC". The original cover featured a picture of Peter Norton with a silly smirk on his face, wearing a pink shirt. Perhaps in recognition of this usage, the current edition has a different picture of Norton wearing a pink shirt. See also book titles.
  • pistachio green — a light or medium shade of yellow green.
  • pithecanthropus — a former genus of extinct hominids whose members have now been assigned to the proposed species Homo erectus.
  • plain of sharon — a plain in W Israel, between the Mediterranean and the hills of Samaria, extending from Haifa to Tel Aviv
  • plethysmography — the tracking of changes measured in bodily volume
  • poikilothermism — the state or quality of being cold-blooded, as fishes and reptiles.
  • polish corridor — a strip of land near the mouth of the Vistula River: formerly separated Germany from East Prussia; given to Poland in the Treaty of Versailles 1919 to provide it with access to the Baltic.
  • polysomnography — a record of a person's sleep pattern, breathing, heart activity, and limb movements during sleep. Abbreviation: PSG.
  • pontine marshes — an area of W Italy, southeast of Rome: formerly malarial swamps, drained in 1932–34 after numerous attempts since 160 bc had failed
  • port washington — a town on NW Long Island, in SE New York.
  • posthemorrhagic — occurring after a haemorrhage
  • posthole digger — a tool or device for digging a posthole.
  • postsynchronize — to add sound, such as dubbing, to a film or video after shooting is completed
  • potash feldspar — any of the feldspar minerals having the composition KAlSi 3 O 8 , as orthoclase.
  • power macintosh — Power Mac
  • probationership — the position of a probationer
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