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

  • 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
  • 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.
  • performance artist — an artist that is involved in a theatrical presentation that incorporates various art forms, such as dance, sculpture, music, etc
  • 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.
  • political football — a political issue that is continually debated but has not yet been resolved
  • pontifical college — the chief body of priests in ancient Rome.
  • population figures — population totals; statistics relating to the size of populations
  • portrait of a lady — a novel (1881) by Henry James.
  • 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
  • provably difficult — The set or property of problems for which it can be proven that no polynomial-time algorithm exists, only exponential-time algorithms.
  • 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.
  • self-contemplation — the act or process of thinking about oneself or one's values, beliefs, behavior, etc.
  • self-preoccupation — the state of being preoccupied.
  • shoot from the hip — the act of shooting with a bow, firearm, etc.
  • slip of the tongue — If you describe something you said as a slip of the tongue, you mean that you said it by mistake.
  • sodium hyposulfite — sodium thiosulfate.
  • sonic depth finder — a sonar instrument that uses echolocation to measure depths under water.
  • specific viscosity — a measure of the resistance to flow of a fluid, expressed as the ratio of the absolute viscosity of the fluid to that of a reference fluid (usually water in the case of liquids)
  • spectrofluorimeter — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
  • spirits of ammonia — a 10% solution of ammonia in alcohol
  • stepping-off place — jumping-off place (def 2).
  • territory of papua — a former territory of Australia, consisting of SE New Guinea and adjacent islands: now part of Papua New Guinea
  • the family compact — the ruling oligarchy in Upper Canada in the early 19th century
  • tip of the iceberg — a large floating mass of ice, detached from a glacier and carried out to sea.
  • to fall into place — If things fall into place, events happen naturally to produce a situation you want.
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