18-letter words containing i, r, o, a, t, e
- phanerocrystalline — (of a rock) having the principal constituents in the form of crystals visible to the naked eye.
- phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
- photoisomerization — isomerization induced by light.
- physical inventory — To carry out a physical inventory is to count all the stock on hand.
- pileolated warbler — either of two western subspecies of Wilson's warbler.
- pilotless aircraft — an aircraft equipped for operation by radio or by robot control, without a human pilot aboard; drone.
- plane polarization — a type of polarization in which the electric vector of waves of light or other electromagnetic radiation is restricted to vibration in a single plane
- plane trigonometry — the branch of trigonometry dealing with plane triangles.
- pneumatic conveyor — a tube through which powdered or granular material, such as cement, grain, etc is transported by a flow of air
- point d'angleterre — a bobbin lace in which the design is worked out with either a needle or bobbin.
- point of departure — Nautical. the precise location of a vessel, established in order to set a course, especially in beginning a voyage in open water.
- point-bearing pile — a pile depending on the soil or rock beneath its foot for support.
- political prisoner — sb imprisoned for political dissidence
- polynesian tattler — a sandpiper, H. incanus, native to the Pacific coastal regions
- population figures — population totals; statistics relating to the size of populations
- porcupine anteater — an echidna or spiny anteater.
- portable equipment — Portable equipment is electrical equipment that can easily be moved from one place to another while in operation or while connected to the supply.
- portage la prairie — a city in S Manitoba, in S central Canada, W of Winnipeg.
- portuguese guinean — of or relating to Portuguese Guinea, a former name for Guinea-Bissau, or its inhabitants
- positively charged — having a positive charge
- post-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
- postmillenarianism — postmillennialism.
- postviral syndrome — debilitating condition occurring as a sequel to viral illness
- potassium chlorate — a white or colorless, crystalline, water-soluble, poisonous solid, KClO 3 , used chiefly as an oxidizing agent in the manufacture of explosives, fireworks, matches, bleaches, and disinfectants.
- potassium chloride — a white or colorless, crystalline, water-soluble solid, KCl, used chiefly in the manufacture of fertilizers and mineral water, and as a source of other potassium compounds.
- potassium fluoride — a white, crystalline, hygroscopic, toxic powder, KF, used chiefly as an insecticide, a disinfectant, and in etching glass.
- potassium myronate — sinigrin.
- potential gradient — the rate of change of potential with respect to distance in the direction of greatest change.
- predation pressure — the effect of predation upon a population, resulting in the decrease in size of that population.
- prepositional verb — a combination of verb and preposition, often with idiomatic meaning, differing from other phrasal verbs in that an object must always follow the preposition, as take after in The children take after their mother.
- presentation layer — (networking) The second highest layer (layer 6) in the OSI seven layer model. Performs functions such as text compression, code or format conversion to try to smooth out differences between hosts. Allows incompatible processes in the application layer to communicate via the session layer. Documents: ITU Rec. X.226 (ISO 8823), ITU Rec. X.216 (ISO 8822).
- preservation order — In Britain, a preservation order is an official order that makes it illegal for anyone to alter or destroy something such as an old building or an area of countryside.
- prestidigitization — /pres`t*-di"j*-ti:-zay"sh*n/ 1. A term coined by Daniel Klein <[email protected]> for the act of putting something into digital notation via sleight of hand. 2. Data entry through legerdemain.
- presumption of law — a presumption based upon a policy of law or a general rule and not upon the facts or evidence in an individual case.
- primate of england — a title of the archbishop of Canterbury.
- prison authorities — the people in charge of running a prison
- probability theory — the theory of analyzing and making statements concerning the probability of the occurrence of uncertain events. Compare probability (def 4).
- processionary moth — a moth of the family Thaumetopoeidae, esp the oak processionary moth (Thaumetopoea processionea), the larvae of which leave the communal shelter nightly for food in a V-shaped procession
- procrustean string — (programming) A fixed-length string. If a string value is too long for the allocated space, it is truncated to fit; and if it is shorter, the empty space is padded, usually with space characters. This is an allusion to Procrustes, a legendary robber of ancient Attica. He bound his victims to a bed, and if they were shorter than the bed, he stretched their limbs until they would fit; if their limbs were longer, he lopped them off.
- production manager — a supervisor of the budget, crew and other details in the production of a film or play
- projection machine — an apparatus that projects motion pictures; projector.
- property insurance — insurance coverage for land and housing
- proprietary colony — any of certain colonies, as Maryland and Pennsylvania, that were granted to an individual or group by the British crown and that were granted full rights of self-government.
- proprietary rights — rights of ownership
- protease inhibitor — a drug that inhibits the action of protease, especially any of a class of antiviral drugs that prevent the cleavage and replication of HIV proteins.
- provascular tissue — procambium.
- provision merchant — a person or company in the business of retailing food and other provisions
- pseudo-anarchistic — a person who advocates or believes in anarchy or anarchism.
- psychotherapeutics — psychotherapy.
- pulmonic airstream — a current of lung air set in motion by the respiratory muscles in the production of speech.