19-letter words containing a, r, e, p, t
- particle dispersoid — A particle dispersoid is a suspension of solid particles in a gas.
- particle kinematics — Particle kinematics is the study of the movement of particles, without considering the forces that cause this movement.
- particle separation — a rule that moves the particle of a phrasal verb, thus deriving a sentence like He looked the answer up from a structure that also underlies He looked up the answer
- particle technology — Particle technology is knowledge and study which relates to particles, and is used in industry.
- particular negative — a proposition of the form “Some S is not P.” Symbol: O.
- parting of the ways — When there is a parting of the ways, two or more people or groups of people stop working together or travelling together.
- pastoral counseling — the use of psychotherapeutic techniques by trained members of the clergy to assist parishioners who seek help for personal or emotional problems.
- patent infringement — breach of copyright
- patrol torpedo boat — PT boat.
- pattern recognition — the automated identification of shapes or forms or patterns of speech.
- paumotu archipelago — Tuamotu Archipelago.
- pecuniary advantage — financial advantage that is dishonestly obtained by deception and that constitutes a criminal offence
- pedestrian crossing — place to cross road
- pedestrian precinct — A pedestrian precinct is a street or part of a town where vehicles are not allowed.
- penecontemporaneous — formed during or shortly after the formation of the containing rock stratum: penecontemporaneous minerals.
- perfoliate bellwort — a slender plant, Uvularia perfoliata, of the lily family, of eastern North America, having pale yellow, bell-shaped flowers.
- performance anxiety — the stage fright that a person feels when they are about to perform (a play, piece of music etc) in front of an audience
- performance targets — the expected or predicted success level of an individual, company or organization
- peridental membrane — periodontal membrane.
- periodontal disease — any of various mixed bacterial infections that affect the soft tissues and bones supporting the teeth.
- peritoneal dialysis — a form of dialysis in which the peritoneum is used as an autogenous semipermeable membrane
- permanent secretary — the senior civil servant responsible for running a government ministry
- perpetual adoration — uninterrupted adoration of the Blessed Sacrament.
- perpetual debenture — a bond or debenture that can either never be redeemed or cannot be redeemed on demand
- perpetual inventory — a form of stock control in which running records are kept of all acquisitions and disposals
- persian gulf states — group of Arab sheikdoms along the Persian Gulf: Kuwait, Bahrain, Qatar, & United Arab Emirates
- personal stationery — headed notepaper
- personal watercraft — a jet-propelled boat ridden like a motorcycle.
- phenanthrenequinone — a yellowish-orange, crystalline, water-insoluble solid, C 1 4 H 8 O 2 , used chiefly in organic synthesis and the manufacture of dyes.
- phenylthiocarbamide — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
- photodisintegration — the disintegration of a nucleus, induced by its absorption of a photon.
- photographic memory — total recall
- photopolymerization — polymerization induced by light.
- photoreconnaissance — reconnaissance using aerial photography.
- physical impairment — A physical impairment is a condition in which a part of a person's body is damaged or is not working properly.
- piece de resistance — the principal dish of a meal.
- pileated woodpecker — a large, black-and-white American woodpecker, Dryocopus pileatus, having a prominent red crest.
- pirates of penzance — an operetta (1879) by Sir William S. Gilbert and Sir Arthur Sullivan.
- pistachio ice cream — ice cream flavoured with pistachios
- plastic deformation — In plastic deformation a material changes shape when a stress is applied to it and does not go back to its original state when the stress is removed.
- play to the gallery — a raised area, often having a stepped or sloping floor, in a theater, church, or other public building to accommodate spectators, exhibits, etc.
- pneumogastric nerve — the vagus nerve.
- pocket-handkerchief — handkerchief (def 1).
- poincare conjecture — Mathematics. the question of whether a compact, simply connected three-dimensional manifold is topologically equivalent to a three-dimensional sphere.
- point the finger at — to accuse or blame
- pointe-aux-trembles — a city in S Quebec, in E Canada, N of Montreal, on the St. Lawrence.
- police headquarters — building where police are stationed
- political geography — the branch of human geography that deals with the relationship between political processes and spatial structures (regions, territories, etc)
- politically correct — marked by or adhering to a typically progressive orthodoxy on issues involving especially ethnicity, gender, sexual orientation, or ecology: The actor’s comment about unattractive women was not politically correct. The CEO feels that people who care about being politically correct are overly sensitive. Abbreviations: PC, P.C.
- popular sovereignty — the doctrine that sovereign power is vested in the people and that those chosen to govern, as trustees of such power, must exercise it in conformity with the general will.