18-letter words containing r, e, c, t, i, s
- 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.
- physical chemistry — the branch of chemistry dealing with the relations between the physical properties of substances and their chemical composition and transformations.
- physical inventory — To carry out a physical inventory is to count all the stock on hand.
- physical therapist — sb who performs physiotherapy
- pilotless aircraft — an aircraft equipped for operation by radio or by robot control, without a human pilot aboard; drone.
- political prisoner — sb imprisoned for political dissidence
- 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.
- precious moonstone — moonstone (def 1).
- predicate calculus — predicate logic
- prefect of studies — a senior master in a Jesuit school or college
- 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.
- 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.
- 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.
- property insurance — insurance coverage for land and housing
- protective custody — detention of a person by the police solely as protection against a possible attack or reprisal by someone.
- 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.
- pseudotuberculosis — an acute, sometimes fatal disease of rodents, birds, and other animals, including humans, caused by the bacterium Yersinia (Pasteurella) pseudotuberculosis, and characterized by the formation of nodules resembling those that result from tuberculosis.
- psychotherapeutics — psychotherapy.
- pulmonic airstream — a current of lung air set in motion by the respiratory muscles in the production of speech.
- puss in the corner — a parlor game for children in which one player in the middle of a room tries to occupy any of the positions along the walls that become vacant as other players dash across to exchange places at a signal.
- quality of service — (communications, networking) (QoS) The performance properties of a network service, possibly including throughput, transit delay, priority. Some protocols allow packets or streams to include QoS requirements.
- quarterlife crisis — a crisis that may be experienced in one's twenties, involving anxiety over the direction and quality of one's life
- quinacrine mustard — a nitrogen mustard derived from mepacrine and used as a stain for chromosomes
- racial segregation — social policy: separation of races
- radiation sickness — sickness caused by irradiation with x-rays or other nuclear radiation as a result of therapeutic treatment, accidental exposure, or a nuclear bomb explosion and characterized by nausea, vomiting, headache, cramps, diarrhea, loss of hair and teeth, destruction of white blood cells, and prolonged hemorrhage.
- radioactive series — a succession of elements initiated in the radioactive decay of a parent, as thorium or uranium, each of which decays into the next until a stable element, usually lead, is produced.
- rape crisis centre — a place that provides support to people who have been victims of rape or other kinds of sexual abuse
- real-estate office — the place where a real-estate agent works
- recess appointment — a person appointed to an office by the President of the United States without approval from the Senate because the Senate is in recess
- recursive function — a function defined in terms of the repeated application of a number of simpler functions to their own values, by specifying a base clause and a recursion formula
- red-light district — an area or district in a city in which many houses of prostitution are located.
- reduction division — the first division of meiosis in which the number of chromosomes is reduced to half the original number.
- reduction strategy — (theory) An algorithm for deciding which redex(es) to reduce next. Different strategies have different termination properties in the presence of recursive functions or values. See string reduction, normal order reduction, applicative order reduction, parallel reduction
- reflection density — a measure of the extent to which a surface reflects light or other electromagnetic radiation, equal to the logarithm to base ten of the reciprocal of the reflectance
- registered charity — official aid organization
- registered company — a company which has officially registered its business
- reinforced plastic — plastic with fibrous matter, such as carbon fibre, embedded in it to confer additional strength
- reinsurance treaty — A reinsurance treaty is a contract that defines the terms of reinsurance business.
- renter's insurance — Renter's insurance is insurance for renters to insure their property against loss.
- reprocessing plant — a plant where materials are treated in order to make them reusable
- rescind a contract — If an insurer rescinds an insurance contract, it terminates it because facts have been concealed or misrepresented by the proposer.