19-letter words containing p, e, n, r
- 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.
- programmed learning — a progressively monitored, step-by-step teaching method, employing small units of information or learning material and frequent testing, whereby the student must complete or pass one stage before moving on to the next.
- projection printing — the act or process of making projection prints.
- promotion prospects — the chances or prospects an employee has for promotion or for gaining a better position, often in the same company
- promotions director — someone in charge of encouraging the sale of (a product) by advertising or securing financial support
- property settlement — an agreement between a divorcing husband and wife covering the division of their assets
- protease inhibitors — a drug that inhibits the action of protease, especially any of a class of antiviral drugs that prevent the cleavage and replication of HIV proteins.
- proto-indo-european — the unattested prehistoric parent language of the Indo-European languages; Indo-European.
- provably unsolvable — The set or property of problems for which no algorithm at all exists. E.g. the Halting Problem. See also provably difficult.
- pseudo-conservative — disposed to preserve existing conditions, institutions, etc., or to restore traditional ones, and to limit change.
- pseudo-experimental — pertaining to, derived from, or founded on experiment: an experimental science.
- pseudo-intransitive — denoting an occurrence of a normally transitive verb in which a direct object is not explicitly stated or forms the subject of the sentence, as in Margaret is cooking or these apples cook well
- pseudo-professional — following an occupation as a means of livelihood or for gain: a professional builder.
- pseudorandom number — (programming) One of a sequence of numbers generated by some algorithm so as to have an even distribution over some range of values and minimal correlation between successive values. Pseudorandom numbers are used in simulation and encryption. They are pseudorandom not random because the sequence eventually repeats exactly and is entirely determined by the initial conditions. One of the simplest algorithms is x[i+1] = (a * x[i] + c) mod m but this repeats after at most m numbers and successive numbers are closely related. Better algorithms generally use more previous numbers to calculate the next number.
- psychic determinism — the theory that all aspects of a person's psychological makeup arise from specific causes or forces, as previous experiences or instinctual drives, which may be conscious or unconscious.
- psychoendocrinology — the study of the relationship between the endocrine system and various symptoms or types of mental illness.
- public-interest law — a branch of law that often utilizes class-action suits to protect the interest of a large group or of the public at large, as in matters relating to racial discrimination, air pollution, etc.
- 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)
- pull in one's horns — one of the bony, permanent, hollow paired growths, often curved and pointed, that project from the upper part of the head of certain ungulate mammals, as cattle, sheep, goats, or antelopes.
- puncture repair kit — set of tools for patching a bicycle tyre
- purse-string suture — a suture for a circular opening, stitched around the edge, that closes it when pulled.
- 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.
- put the skids under — a plank, bar, log, or the like, especially one of a pair, on which something heavy may be slid or rolled along.
- pyrenees-orientales — a department in S France. 1600 sq. mi. (4145 sq. km). Capital: Perpignan.
- pythagorean theorem — Pythagoras's Theorem
- radiation potential — the potential in volts that must be applied to an atom or molecule to cause it to emit radiation at one of its characteristic frequencies.
- ralph waldo emerson — Ralph Waldo [wawl-doh,, wol-] /ˈwɔl doʊ,, ˈwɒl-/ (Show IPA), 1803–82, U.S. essayist and poet.
- rancho palos verdes — a town in SW California.
- rap on the knuckles — a mild reprimand or light sentence
- rate of penetration — The rate of penetration is the speed with which a drill bit can break the rock under it.
- reactive depression — depression occurring in response to some situational stress, as loss of one's job.
- reception committee — an organized gathering of people to welcome a visitor
- reciprocal exchange — an unincorporated association formed so that its members can participate in reciprocal insurance.
- reciprocal leveling — leveling between two widely separated points in which observations are made in both directions to eliminate the effects of atmospheric refraction and the curvature of the earth.
- reconceptualization — to form into a concept; make a concept of.
- recording equipment — devices used for sound reproduction
- reduction potential — (in a galvanic cell) the potential of the electrode at which reduction occurs.
- relative complement — the set of elements contained in a given set that are not elements of another specified set.
- relative impediment — a fact or circumstance that disqualifies from lawful marriage persons who are closely related.
- relocation expenses — Relocation expenses are a sum of money that a company pays to someone who moves to a new area in order to work for the company. The money is to help them pay for moving house.
- repeat prescription — A repeat prescription is a prescription for a medicine that you have taken before or that you use regularly.
- representationalism — Also called representative realism. Epistemology. the view that the objects of perception are ideas or sense data that represent external objects, especially the Lockean doctrine that the perceived idea represents exactly the primary qualities of the external object.
- 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 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
- reserved occupation — in time of war, an occupation from which one will not be called up for military service
- resorcinolphthalein — fluorescein.