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13-letter words containing o, p, y

  • pneumatolysis — the process by which rocks are altered or minerals and ores are formed by the action of vapors given off by magma.
  • pneumatolytic — resulting from pneumatolysis
  • pneumonectomy — excision of part or all of a lung.
  • points system — a system used to assess applicants' eligibility for local authority housing, based on (points awarded for) such factors as the length of time the applicant has lived in the area, how many children are in the family, etc
  • pointy-headed — stupid; idiotic.
  • policy-making — Policy-making is the making of policies.
  • poliomyelitis — an acute viral disease, usually affecting children and young adults, caused by any of three polioviruses, characterized by inflammation of the motor neurons of the brain stem and spinal cord, and resulting in a motor paralysis, followed by muscular atrophy and often permanent deformities.
  • polyadelphous — (of stamens) united by the filaments into three or more sets or bundles.
  • polyarteritis — inflammation of the layers of an artery or of many arteries, usually caused by a severe hypersensitivity reaction, and characterized by nodules and hemorrhage along the involved vessels.
  • polyarthritis — arthritis occurring in more than one joint.
  • polyarticular — pertaining to or affecting many joints.
  • polybutadiene — a rubberlike polymer of butadiene blended with other synthetics to replace natural rubber in tires.
  • polycarbonate — a synthetic thermoplastic resin, a linear polymer of carbonic acid, used for molded products, films, and nonbreakable windows.
  • polychotomous — divided into multiple parts
  • polychromatic — having or exhibiting a variety of colors.
  • polycistronic — of or relating to the transcription of two or more adjacent cistrons into a single messenger RNA molecule.
  • polycotyledon — a plant having more than two cotyledons, as certain gymnosperms.
  • polycythaemia — an abnormal condition of the blood characterized by an increase in the number of red blood cells. It can occur as a primary disease of unknown cause (polycythaemia vera or erythraemia) or in association with respiratory or circulatory diseases
  • polydaemonism — the belief in many evil spirits.
  • polygalaceous — any plant of the genus Polygala, comprising the milkworts.
  • polygamophile — a person who approves of or countenances polygamy, especially as practiced by others.
  • polygonaceous — belonging to the Polygonaceae, the buckwheat family of plants.
  • polynomialism — a polynomial naming system
  • polyoma virus — a small DNA-containing virus, of the papovavirus group, that can produce a variety of tumors in mice, hamsters, rabbits, and rats.
  • polypropylene — a plastic polymer of propylene, (C 3 H 5) n , used chiefly for molded parts, electrical insulation, packaging, and fibers for wearing apparel.
  • polyprotodont — any marsupial of the group Polyprotodontia, characterized by four or more upper incisor teeth on each side of the jaw: includes the opossums and bandicoots
  • polyribosomal — relating to a polyribosome
  • polysomnogram — a record of a person's sleep pattern, breathing, heart activity, and limb movements during sleep. Abbreviation: PSG.
  • polysyllabism — a polysyllabic style or the use of multisyllabic words
  • polysyllogism — an argument made up of a chain of syllogisms, the conclusion of each being a premise of the one following, until the last one.
  • polysynthetic — (of a language) characterized by a prevalence of relatively long words containing a large number of affixes to express syntactic relationships and meanings. Many American Indian languages are polysynthetic. Compare analytic (def 3), synthetic (def 3).
  • polytechnical — relating to a technical school
  • polythalamous — having multiple chambers
  • polythene bag — a bag made of polythene, esp one used to store or protect food or household articles
  • pontificality — a priestly role or office
  • pony trekking — the act of riding ponies cross-country, esp as a pastime
  • poppy anemone — a southern European plant, Anemone coronaria, of the buttercup family, having tuberous roots and solitary, poppylike, red, blue, or white flowers, grown as an ornamental.
  • port of entry — port1 (def 3).
  • portal system — a vascular arrangement in which blood from the capillaries of one organ is transported to the capillaries of another organ by a connecting vein or veins.
  • possessionary — of, relating to, or characterized by possession
  • post-tertiary — denoting or formed after the Tertiary period of geological time
  • postcranially — affecting the postcranium
  • postembryonic — occurring after the embryonic phase.
  • postemergency — of, relating to, or occurring in the period after an emergency
  • postsecondary — of or relating to education beyond high school: She completed her postsecondary education at a two-year college.
  • postvasectomy — of or occurring in the period after a vasectomy
  • potbelly wood — a load of firewood, approximately half a cord, cut in lengths of 16 inches (40 cm) or less for use in a potbelly stove.
  • potter's clay — a clay, suitably plastic and free of iron and other impurities, for use by potters.
  • potty trained — Potty trained means the same as toilet trained.
  • poverty level — poverty line.
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