18-letter words containing s, p, e, c, t, a
- paleoclimatologist — the branch of paleogeography dealing with the study of paleoclimates.
- par for the course — an equality in value or standing; a level of equality: The gains and the losses are on a par.
- particeps criminis — an accomplice in a crime.
- passive resistance — opposition to a government or to specific governmental laws by the use of noncooperation and other nonviolent methods, as economic boycotts and protest marches.
- pay one's respects — a particular, detail, or point (usually preceded by in): to differ in some respect.
- payload specialist — an astronaut trained to handle highly complex or classified equipment carried aboard a space shuttle and to conduct experiments in space.
- pectoral sandpiper — an American sandpiper, Calidris melanotos, the male of which, when courting, inflates its chest conspicuously.
- pedestrian traffic — the people coming and going on foot in a street, town, etc
- pennsylvania dutch — the descendants of 17th- and 18th-century settlers in Pennsylvania from southwest Germany and Switzerland.
- performance artist — an artist that is involved in a theatrical presentation that incorporates various art forms, such as dance, sculpture, music, etc
- peter tschaikowsky — Peter Ilyich [il-yich] /ˈɪl yɪtʃ/ (Show IPA), Tchaikovsky, Peter Ilyich.
- phanerocrystalline — (of a rock) having the principal constituents in the form of crystals visible to the naked eye.
- photochemical smog — air pollution containing ozone and other reactive chemical compounds formed by the action of sunlight on nitrogen oxides and hydrocarbons, especially those in automobile exhaust.
- physical chemistry — the branch of chemistry dealing with the relations between the physical properties of substances and their chemical composition and transformations.
- physical education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.
- 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.
- play cat and mouse — Also called cat and rat. a children's game in which players in a circle keep a player from moving into or out of the circle and permit a second player to move into or out of the circle to escape the pursuing first player.
- plumber's merchant — a shop or business that sells things needed for the job of installing and repairing pipes, fixtures, etc, for water, drainage, and gas
- policeman's helmet — a Himalayan balsaminaceous plant, Impatiens glandulifera, with large purplish-pink flowers, introduced into Britain
- political prisoner — sb imprisoned for political dissidence
- political question — a question regarded by the courts as being a matter to be determined by another department of government rather than of law and therefore one with which they will not deal, as the recognition of a foreign state.
- positively charged — having a positive charge
- postal storage car — a railroad car for transporting unsorted mail.
- 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.
- predicate calculus — predicate logic
- preparatory school — a private or parochial secondary school, especially one boarding its students and providing a college-preparatory education.
- 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.
- 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
- 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.
- pseudo-socialistic — of or relating to socialists or socialism.
- pseudo-symptomatic — pertaining to a symptom or symptoms.
- pseudoappendicitis — inflammation of the vermiform appendix.
- pseudointellectual — a person exhibiting intellectual pretensions that have no basis in sound scholarship.
- psychogalvanometer — a type of galvanometer for detecting and measuring psychogalvanic currents.
- psychotherapeutics — psychotherapy.
- pulmonic airstream — a current of lung air set in motion by the respiratory muscles in the production of speech.
- quasi-metaphysical — pertaining to or of the nature of metaphysics.
- raman spectroscopy — a form of spectroscopy which uses the Raman effect for studying molecules
- rape crisis centre — a place that provides support to people who have been victims of rape or other kinds of sexual abuse
- 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
- 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
- repayment schedule — a document detailing the specific terms of a borrower's loan, such as monthly payment, interest rate, due dates etc