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15-letter words containing e, c, h, o, a

  • once in a while — at one time in the past; formerly: I was a farmer once; a once powerful nation.
  • ophthalmoscopes — Plural form of ophthalmoscope.
  • orange chromide — an Asian cichlid fish, Etropus maculatus, with a brownish-orange spotted body
  • orchestrational — Of or pertaining to orchestration.
  • organized chaos — a complex situation or process that appears chaotic while having enough order to achieve progress or goals
  • organochlorines — Plural form of organochlorine.
  • orthopaedic bed — a specially firm bed designed to help correct or ameliorate the discomfort of disorders of the spine and joints
  • orthopaedically — in an orthopaedic manner
  • outreach worker — a person who does work designed to help and encourage disadvantaged members of the community
  • overachievement — to perform, especially academically, above the potential indicated by tests of one's mental ability or aptitude.
  • overhead locker — a locker situated above someone's seat for storing luggage, etc
  • overorchestrate — to compose or arrange excessively
  • package holiday — a holiday arranged by a travel company in which your travel and accommodation are booked for you
  • palaeoanthropic — relating to palaeoanthropology
  • paleoencephalon — paleencephalon.
  • paleogeophysics — (used with a plural verb) inferred geophysical conditions or processes of designated periods of the geologic past.
  • paleolithic man — any of the prehistoric populations of humans, as the Cro-Magnon, living in the late Pliocene and the Pleistocene epochs.
  • paraheliotropic — (of leaves) turning away from light; sun-avoiding
  • parthenogenetic — development of an egg without fertilization.
  • passenger coach — a carriage in which passengers sit
  • pat on the back — to strike lightly or gently with something flat, as with a paddle or the palm of the hand, usually in order to flatten, smooth, or shape: to pat dough into flat pastry forms.
  • pavel petrovich — Paul I (def 2).
  • peachblow glass — an American art glass made in various pale colors and sometimes having an underlayer of milk glass.
  • peacock feather — a (distinctive and brightly coloured) feather from the peacock
  • perchloric acid — a colorless, syrupy hygroscopic liquid, HClO 4 , an acid of chlorine containing one more oxygen atom than chloric acid: used chiefly as a reagent in analytical chemistry.
  • perchloroethane — hexachloroethane.
  • pharmacotherapy — the treatment of disease through the administration of drugs.
  • pheasant coucal — a brown and black, red-eyed Australian bird, Centropus phasianinus, with a pheasantlike tail.
  • phenakistoscope — an early form of a zoetrope in which figures are depicted in different poses around the edge of a disc. When the disc is spun, and the figures observed through the apertures around the edge of the disc, they appear to be moving
  • phenomenalistic — the doctrine that phenomena are the only objects of knowledge or the only form of reality.
  • phonemicization — a grouping of phonemes
  • phoneticization — the representation of speech in writing using a system in which individual symbols reflect speech sounds in a regular manner
  • 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.
  • photodissociate — to split or break up molecules as a result of the absorption of photons
  • photoelasticity — the phenomenon of double refraction of polarized light by a transparent substance under elastic stress, used to measure strain in elastic, transparent materials.
  • photoexcitation — the creation of an increase in energy in atoms, molecules or ions caused by the absorption of a photon
  • photomechanical — noting or pertaining to any of various processes for printing from plates or surfaces prepared by the aid of photography.
  • photorefractive — of or relating to a change in the index of refraction by spatial variations of the light intensity, as in a laser.
  • phrenologically — in a manner relating to phrenology
  • physical memory — (memory management)   The memory hardware (normally RAM) installed in a computer. The term is only used in contrast to virtual memory.
  • physicochemical — physical and chemical: the physicochemical properties of an isomer.
  • phytochemically — in a phytochemical manner
  • phytopathogenic — of, possessing the properties of, or relating to a phytopathogen
  • pick and choose — to choose or select from among a group: to pick a contestant from the audience.
  • pick-and-shovel — marked by drudgery; laborious: the pick-and-shovel work necessary to get a political campaign underway.
  • pinochet ugarte — Augusto [ou-goos-taw] /aʊˈgus tɔ/ (Show IPA), 1915–2006, Chilean army general and political leader: president 1973–90.
  • 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 chocolate — dark eating chocolate
  • plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
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