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18-letter words containing p, i, e, f, t

  • make a practice of — be in the habit of
  • metamorphic facies — Geology. a group of metamorphic rock units characterized by particular mineralogic associations.
  • mexican fire-plant — a showy plant, Euphorbia heterophylla, of the spurge family, growing in the central U.S. to central South America, having red or mottled red and white bracts.
  • mop the floor with — that part of a room, hallway, or the like, that forms its lower enclosing surface and upon which one walks.
  • morning-after pill — a contraceptive pill containing only an estrogen and used by women within a few hours after sexual intercourse.
  • multiflow computer — (company)   A now-defunct computer company, best known for its work in Very Long Instruction Word processors. Address: New Haven, Conn. USA.
  • myeloproliferative — (medicine) of or pertaining to the presence of an abnormal proliferation of myelopoietic cells (from bone marrow).
  • nonpreferentialism — of, relating to, or of the nature of preference: preferential policies.
  • oblique-slip fault — a fault on which the movement is along both the strike and the dip of the fault
  • off-street parking — spaces for cars located on private property rather than on a public street
  • offset lithography — offset (def 6).
  • operating software — software used in the operation of a computer system, typically by performing such tasks as memory allocation, job scheduling, and input/output control
  • pair of spectacles — a score of 0 in each innings of a match
  • particulate filter — A particulate filter is a filter to remove particles that are present the air, for example in the exhaust of a diesel engine.
  • pedestrian traffic — the people coming and going on foot in a street, town, etc
  • pellitory of spain — a small Mediterranean plant, Anacyclus pyrethrum, the root of which contains an oil formerly used to relieve toothache: family Asteraceae (composites)
  • people trafficking — the practice of bringing immigrants into a country illegally
  • 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
  • phase-shift keying — (communications)   (PSK) A digital modulation scheme that conveys data by changing the phase of a carrier wave. The data can either determine the absolute phase relative to the unmodulated carrier or reference signal ("coherent phase-shift keying", CPSK) or the change in phase ("differential phase-shift keying", DPSK). The number of different phases used determines the amount of data that can be transmitted in each cycle. Each cycle can be considered to constitute one "symbol", e.g. with two possible phases, each cycle carries one bit. The more phases that are used, the less tollerant to noise the transmissions becomes. Alternatives to PSK are amplitude-shift keying (ASK) and frequency-shift keying (FSK).
  • phenol coefficient — the number indicating the effectiveness of a disinfectant as a germicide relative to phenol, which is arbitrarily assigned the number 1: based on the time required to kill a given quantity of a specific type of bacteria.
  • pick of the litter — objects strewn or scattered about; scattered rubbish.
  • piecewise function — a function whose definition changes depending on the value of the independent variable
  • pilotless aircraft — an aircraft equipped for operation by radio or by robot control, without a human pilot aboard; drone.
  • 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 of no return — Aviation. the point in a flight at which an aircraft will lack sufficient fuel to return to its starting point.
  • point of reference — A point of reference is something which you use to help you understand a situation or communicate with someone.
  • pontifical college — the chief body of priests in ancient Rome.
  • population figures — population totals; statistics relating to the size of populations
  • potassium fluoride — a white, crystalline, hygroscopic, toxic powder, KF, used chiefly as an insecticide, a disinfectant, and in etching glass.
  • prefect of studies — a senior master in a Jesuit school or college
  • preferred position — especially desirable advertising space for which, if it is specifically requested by the advertiser, a publication charges a premium rate.
  • 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.
  • 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.
  • product life cycle — the four stages (introduction, growth, maturity, and decline) into one of which the sales of a product fall during its market life
  • protein deficiency — a lack or insuffiency of protein
  • purple loosestrife — an Old World plant, Lythrum salicaria, of the loosestrife family, widely naturalized in North America, growing in wet places and having spikes of reddish-purple flowers.
  • put one in mind of — to remind (one) of
  • rabbit-proof fence — a fence through which rabbits are unable to pass
  • reinforced plastic — plastic with fibrous matter, such as carbon fibre, embedded in it to confer additional strength
  • reproduction proof — repro proof.
  • safety-deposit box — a lockable metal box or drawer, especially in a bank vault, used for safely storing valuable papers, jewelry, etc.
  • saint peter's fish — another name for tilapia, taken from a Bible story about Saint Peter catching a fish with a coin in its mouth
  • self-contemplation — the act or process of thinking about oneself or one's values, beliefs, behavior, etc.
  • self-deprecatingly — in a self-deprecating manner
  • self-disparagement — the act of disparaging.
  • self-preoccupation — the state of being preoccupied.
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