19-letter words containing p, r, o, e, f
- pirates of penzance — an operetta (1879) by Sir William S. Gilbert and Sir Arthur Sullivan.
- plastic deformation — In plastic deformation a material changes shape when a stress is applied to it and does not go back to its original state when the stress is removed.
- pocket-handkerchief — handkerchief (def 1).
- point the finger at — to accuse or blame
- post office problem — (algorithm) Given a set of points (in N dimensions), find another point which minimises the sum of the distances from that point to each of the others.
- post-and-rail fence — a fence constructed of upright wooden posts with horizontal timber slotted through it
- preferential voting — a system of voting designed to permit the voter to indicate an order of preference for the candidates on the ballot.
- presumption of fact — a presumption based on experience or knowledge of the relationship between a known fact and a fact inferred from it.
- pride-of-california — a shrubby plant, Lathyrus splendens, of the legume family, native to southern California, having showy clusters of pale rose-pink, violet, or magenta flowers and large, smooth, beaked pods.
- process performance — Process performance is a measure of how efficient or effective a process is.
- professional advice — advice given by someone trained in a particular and relevant profession or job
- professional school — a postgraduate school or college which trains students for a particular profession
- professionalization — to give a professional character or status to; make into or establish as a profession.
- pseudo-professional — following an occupation as a means of livelihood or for gain: a professional builder.
- pugwash conferences — international peace conferences of scientists held regularly to discuss world problems: Nobel peace prize 1995 awarded to Joseph Rotblat (1908–2005) , one of the founders of the conferences, secretary-general (1957–73), and president (1988–97)
- put a figure on sth — When you put a figure on an amount, you say exactly how much it is.
- put one's finger on — any of the terminal members of the hand, especially one other than the thumb.
- rapture of the deep — nitrogen narcosis.
- rate of penetration — The rate of penetration is the speed with which a drill bit can break the rock under it.
- reciprocity failure — a failure of the two exposure variables, light intensity and exposure time, to behave in a reciprocal fashion at very high or very low values
- reflux oesophagitis — inflammation of the gullet caused by regurgitation of stomach acids, producing heartburn: may be associated with a hiatus hernia
- republic of ireland — John, 1838–1918, U.S. Roman Catholic clergyman and social reformer, born in Ireland: archbishop of St. Paul, Minn., 1888–1918.
- republic of letters — the collective body of literary people.
- republic of vietnam — the name (from 1955–75) for South Vietnam, as an independent republic, following the division of the country in 1954 into North Vietnam and South Vietnam
- research fellowship — the position or office of someone who conducts academic research into a subject at a university, etc
- respiratory failure — a condition in which the respiratory system is unable to provide an adequate supply of oxygen or to remove carbon dioxide efficiently
- ruffini's corpuscle — an end organ of certain sensory neurons that branches out parallel to the skin and responds to steady pressure.
- sacrifice operative — a euphemistic term for a suicide bomber
- san francisco peaks — a mountain mass in N Arizona: highest point in the state, Humphrey's Peak, 12,611 feet (3845 meters).
- scare the pants off — to scare extremely
- sea floor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
- sea-floor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
- self-interpretation — the act of interpreting; elucidation; explication: This writer's work demands interpretation.
- self-representation — the act of representing.
- self-responsibility — the state or fact of being responsible, answerable, or accountable for something within one's power, control, or management.
- sense of proportion — If someone has a sense of proportion, they know what is really important and what is not.
- sharp-focus realism — photorealism.
- spare a thought for — If you spare a thought for an unfortunate person, you make an effort to think sympathetically about them and their bad luck.
- specular reflection — Specular reflection is reflection of heat or light in which the angles of different parts of the surface are important.
- sphere of influence — any area in which one nation wields dominant power over another or others.
- splinterproof glass — glass that is designed not to form sharp splinters should it be shattered
- spread oneself thin — to draw, stretch, or open out, especially over a flat surface, as something rolled or folded (often followed by out).
- step-up transformer — a device that transfers an alternating current from one circuit to one or more other circuits with an increase of voltage
- succession of crops — the continuous cultivation of a crop throughout a season by successive plantings or by the use of varieties with different rates of growth.
- superannuation fund — a fund used for paying pensions
- the grapes of wrath — a novel (1939) by John Steinbeck.
- the patriotic front — a political party in Zimbabwe, founded in 2001 as a coalition of two communist parties, the Zimbabwe African Peoples Union (ZAPU) and the Zimbabwe African National Union (ZANU), which had worked together to fight against White minority rule in Rhodesia
- the top of the tree — If you say that someone is at the top of the tree, you mean that they have reached the highest level in their career or profession.
- to keep to yourself — If you keep to yourself, you stay on your own most of the time and do not mix socially with other people.
- to one's fingertips — entirely; altogether