18-letter words containing c, i, e, r
- perfect continuous — perfect progressive.
- perfect contrition — sincere penitence or remorse.
- perfect participle — past participle.
- performance artist — an artist that is involved in a theatrical presentation that incorporates various art forms, such as dance, sculpture, music, etc
- periodic inventory — Periodic inventory is a method of valuing inventory, usually at the end of accounting periods, by physically counting all merchandise held in stock at that time.
- perlocutionary act — the action of affecting someone by uttering certain words
- pernicious anaemia — Pernicious anaemia is a very severe blood disease.
- persistent cruelty — conduct causing fear of danger to the life or health of a spouse (used in matrimonial proceedings before magistrates)
- personal insurance — insurance on personal risk, such as car insurance, health insurance or loss of earnings insurance
- pescadores-islands — (used with a plural verb) Penghu.
- peter tschaikowsky — Peter Ilyich [il-yich] /ˈɪl yɪtʃ/ (Show IPA), Tchaikovsky, Peter Ilyich.
- peters' projection — a form of modified world map projection that attempts to reflect accurately the relative surface areas of landmasses, an approach which gives greater prominence (than do standard representations) to equatorial countries
- phanerocrystalline — (of a rock) having the principal constituents in the form of crystals visible to the naked eye.
- phoenician juniper — a type of juniper that is found in the Mediterranean region
- photoelectric cell — photocell.
- phthalic anhydride — a white, crystalline, slightly water-soluble solid, C 8 H 4 O 3 , used chiefly in the manufacture of dyes, alkyd resins, and plasticizers.
- physical chemistry — the branch of chemistry dealing with the relations between the physical properties of substances and their chemical composition and transformations.
- physical geography — the branch of geography concerned with natural features and phenomena of the earth's surface, as landforms, drainage features, climates, soils, and vegetation.
- physical inventory — To carry out a physical inventory is to count all the stock on hand.
- physical therapist — sb who performs physiotherapy
- pick of the litter — objects strewn or scattered about; scattered rubbish.
- picture-in-picture — a feature of some television receivers and similar devices in which one programme is displayed on the full TV screen at the same time as one or more other programmes are displayed in inset windows
- pilotless aircraft — an aircraft equipped for operation by radio or by robot control, without a human pilot aboard; drone.
- pleasure principle — an automatic mental drive or instinct seeking to avoid pain and to obtain pleasure.
- plenary indulgence — a remission of the total temporal punishment that is still due to sin after absolution. Compare indulgence (def 6).
- pneumatic conveyor — a tube through which powdered or granular material, such as cement, grain, etc is transported by a flow of air
- point of reference — A point of reference is something which you use to help you understand a situation or communicate with someone.
- political prisoner — sb imprisoned for political dissidence
- polyvinyl chloride — a white, water-insoluble, thermoplastic resin, derived by the polymerization of vinyl chloride: used chiefly for thin coatings, insulation, and pipings.
- porcupine anteater — an echidna or spiny anteater.
- portion-controlled — being a standardized portion of food: The restaurant uses frozen, portion-controlled entrées.
- positively charged — having a positive charge
- 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.
- prairie crab apple — a tree, Malus ioensis, of the rose family, native to the central U.S., having downy branchlets, white or rose-tinted flowers, and round, waxy, greenish fruit.
- precious moonstone — moonstone (def 1).
- precipitable water — the total water vapor contained in a unit vertical column of the atmosphere.
- predicate calculus — predicate logic
- prefect of studies — a senior master in a Jesuit school or college
- premiere screening — the first screening of a film at a cinema, etc
- present continuous — a verb form consisting of an auxiliary be in the present tense followed by a present participle and used especially to indicate that a present action or event is in progress, being repeated, or of a temporary nature or to express the future.
- present participle — Grammar. a participle form, in English having the suffix -ing, denoting repetition or duration of an activity or event: used as an adjective, as in the growing weeds, and in forming progressive verb forms, as in The weeds are growing.
- price on sb's head — If there is a price on someone 's head, an amount of money has been offered for the capture or killing of that person.
- prince of darkness — Satan.
- principal argument — the radian measure of the argument between −π and π of a complex number. Compare argument (def 8c).
- principal meridian — a meridian line accurately laid out to serve as the reference meridian in land survey
- prism spectrometer — an optical device for measuring wavelengths, deviation of refracted rays, and angles between faces of a prism, especially an instrument (prism spectrometer) consisting of a slit through which light passes, a collimator, a prism that deviates the light, and a telescope through which the deviated light is viewed and examined.
- process identifier — (operating system) (PID) An integer used by the Unix kernel to uniquely identify a process. PIDs are returned by the fork system call and can be passed to wait() or kill() to perform actions on the given process.
- process scheduling — multitasking
- 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