15-letter words containing a, p, r, i, o
- paradise flower — a prickly vine, Solanum wendlandii, of the nightshade family, native to Costa Rica, having branched clusters of showy lilac-blue flowers.
- paraheliotropic — (of leaves) turning away from light; sun-avoiding
- paralation lisp — Embeds the paralation model in Common LISP. Available from MIT Press, (800)356-0343.
- parallel cousin — a cousin who is the child either of one's mother's sister or of one's father's brother.
- parallel motion — a mechanism arranged so as to impart rectilinear motion to a rod connected to a lever that moves through an arc.
- parallelopipeda — plural of parallelopipedon
- parametrization — a parametric representation; the act of representing as or defining parameters
- parking offence — the act of leaving your car somewhere illegally
- parkinson's law — the statement, expressed facetiously as if a law of physics, that work expands to fill the time allotted for its completion.
- paroemiographer — a person who writes or collects proverbs
- parthenogenesis — development of an egg without fertilization.
- parthenogenetic — development of an egg without fertilization.
- parti québécois — (in Canada) a political party in Quebec, formed in 1968 and originally advocating the separation of Quebec from the rest of the country
- partial product — the result obtained when a number is multiplied by one digit of a multiplier
- participational — involving participation
- partition ratio — A partition ratio is a measurement of the relative degree to which a solute which is going to be separated is distributed between a solvent and sorption medium.
- party political — Party political matters relate to political parties.
- passifloraceous — of, relating to, or belonging to the Passifloraceae, a tropical and subtropical family of climbing plants including the passionflowers: the flowers have five petals and threadlike parts forming a dense mass (corona) around the central disc
- passport office — an office which issues passports
- pastoralization — to make pastoral or rural.
- patagonian hare — a burrowing, gray, long-eared and long-legged cavy of the genus Dolichotis, native to South America.
- patchwork quilt — cover sewn from patches of cloth
- paternity order — a court order which declares a child's paternity
- patio furniture — furniture in an area adjoining a house, esp one that is paved and used for outdoor activities
- patria potestas — the power vested in the paterfamilias or head of the Roman family with respect to his wife, natural or adopted children, and agnatic descendants: title to family property is vested exclusively in the paterfamilias. Property acquired by a family member becomes family property, and no family member can enter into a transaction in his or her own right.
- pattern bombing — aerial bombing in which bombs are dropped on a target in a predetermined pattern.
- pavel petrovich — Paul I (def 2).
- peak production — the maximum production
- pectoral girdle — (in vertebrates) a bony or cartilaginous arch supporting the forelimbs.
- peculiar people — a small sect of faith healers founded in London in 1838, having no ministers or external organization
- pelargonic acid — a colorless, oily, water-immiscible liquid, C 9 H 1 8 O 2 , occurring as an ester in a volatile oil in species of pelargonium: used chiefly in organic synthesis and in the manufacture of lacquers and plastics.
- penetration aid — a device or tactic, as the use of chaff or decoys or the maintaining of a low flight level, that helps an aircraft or missile to enter hostile air space.
- pentaerythritol — a white, crystalline, water-soluble powder, C 5 H 1 2 O 4 , used chiefly in the manufacture of alkyd resins, varnishes, plasticizers, and explosives.
- 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.
- perforating gun — A perforating gun is a device used to make holes in oil and gas wells in preparation for production.
- performing arts — dance, drama, music
- period-rotation — a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany.
- perissosyllabic — (of a line of verse) containing more syllables than expected for the metre being used
- personal friend — a person who is a friend, rather than a colleague or acquaintance
- personal injury — injury to an individual
- personalization — to have marked with one's initials, name, or monogram: to personalize stationery.
- personification — the attribution of human nature or character to animals, inanimate objects, or abstract notions, especially as a rhetorical figure.
- peter of amiens — c1050–1115, French monk: preacher of the first Crusade 1095–99.
- phantom circuit — a circuit derived from two suitably arranged pairs of wires, each pair being a circuit (side circuit) and also acting as one half of an additional derived circuit, the entire system providing the capabilities of three circuits while requiring wires for only two.
- pharmacological — the science dealing with the preparation, uses, and especially the effects of drugs.
- phenazopyridine — a substance, C 1 1 H 1 2 ClN 5 , used as a lower urinary tract analgesic.
- phenylketonuria — an inherited disease due to faulty metabolism of phenylalanine, characterized by phenylketones in the urine and usually first noted by signs of mental retardation in infancy.
- philanthropical — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- phonautographic — relating to a phonautograph or a piece of equipment that records sound visually by detecting the sound waves and indicating them on a graph
- phonocardiogram — the graphic record produced by a phonocardiograph.