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10-letter words containing o, p, h, r, n

  • perihelion — the point in the orbit of a planet or comet at which it is nearest to the sun.
  • periphonic — (of sound reproduction) involving speakers placed at different heights so as to produce sound from all directions
  • periphyton — the community of tiny organisms, as protozoans, hydras, insect larvae, and snails, that lives on the surfaces of rooted aquatic plants.
  • persephone — Also, Proserpina, Proserpine. Classical Mythology. a daughter of Zeus and Demeter, abducted by Pluto to be queen of Hades, but allowed to return to the surface of the earth for part of the year.
  • personhood — the state or fact of being a person.
  • phanerogam — any of the Phanerogamia, a former primary division of plants comprising those having reproductive organs; a flowering plant or seed plant (opposed to cryptogam).
  • phenformin — a biguanide administered orally in the treatment of diabetes to lower blood concentrations of glucose; it has been largely superseded by metformin. Formula: C10H15N5
  • phenocryst — any of the conspicuous crystals in a porphyritic rock.
  • phenol red — a bright to dark red crystalline compound, C 1 9 H 1 4 O 5 S, slightly soluble in water, alcohol, and acetone: used as an acid-base indicator and as a diagnostic reagent in medicine.
  • pheromonal — relating to or constituting a pheromone
  • pheromones — any chemical substance released by an animal that serves to influence the physiology or behavior of other members of the same species.
  • phone card — calling card (def 3).
  • phoney war — A phoney war is when two opposing groups are openly hostile towards each other, as if they were at war, but there is no real fighting.
  • phonograph — any sound-reproducing machine using records in the form of cylinders or discs.
  • phonometer — a device for measuring the intensity of a sound.
  • phonophore — the small bones of the ear which transmit sound vibrations to the internal ear
  • photoprint — a photographic print.
  • phrenology — a psychological theory or analytical method based on the belief that certain mental faculties and character traits are indicated by the configurations of the skull.
  • planograph — (formerly) to print from a flat surface.
  • polyhedron — a solid figure having many faces.
  • port huron — a port in SE Michigan, on the St. Clair River, at the S end of Lake Huron.
  • prehension — the act of seizing or grasping.
  • prehominid — any of the extinct humanlike primates classified in the former family Prehominidae.
  • princehood — the office or rank of a prince
  • print shop — a shop where prints or graphics are sold.
  • prochloron — any spherical, photosynthetic, prokaryotic microorganism of the genus Prochloron, occurring in subtropical and tropical habitats in symbiosis with various invertebrates, especially marine chordates, proposed as ancestral to the chloroplast of green algae and plants.
  • prognathic — having protrusive jaws; having a gnathic index over 103.
  • prohormone — the inactive precursor molecule from which a hormone is derived.
  • promethean — of or suggestive of Prometheus.
  • pronephros — one of the three embryonic excretory organs of vertebrates, which becomes the functional kidney of certain primitive fishes.
  • prosphoron — an uncut loaf of altar bread before it is consecrated.
  • protohuman — of, relating to, or resembling extinct hominid populations that had some but not all the features of modern Homo sapiens.
  • protonymph — the newly hatched form of various mites
  • punchboard — a small board containing holes filled with slips of paper printed with concealed numbers that are punched out by a player in an attempt to win a prize.
  • pyrotechny — the art of making fireworks
  • pyrrhonism — the Skeptic doctrines of Pyrrho and his followers.
  • radiophone — a radiotelephone.
  • renography — x-ray examination of the kidney following injection of a radiopaque substance.
  • rhinophyma — a red-coloured bump or bumps on the nose which form as a result of enlarged sebaceous glands and rosacea
  • rhinoscope — a special instrument used to examine the nasal passages
  • rhinoscopy — examination of the nasal passages, esp with a rhinoscope
  • rhizoplane — the part of the root of a plant that is near the soil surface
  • rhodophane — the red colour found in the inner cones of the retina in animals
  • rough spin — hard or unfair treatment
  • scunthorpe — a town in E England, in North Lincolnshire unitary authority, Lincolnshire: developed rapidly after the discovery of local iron ore in the late 19th century; iron and steel industries have declined. Pop: 72 660 (2001)
  • shop front — A shop front is the outside part of a shop which faces the street, including the door and windows.
  • smartphone — a device that combines a cell phone with a handheld computer, typically offering Internet access, data storage, email capability, etc.
  • sonography — the medical diagnostic imaging technique used to see internal organs, muscles, etc
  • sophrosyne — moderation; discretion; prudence.
  • sphenogram — a cuneiform character.
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