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19-letter words containing n, p, t, r

  • 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.
  • proton-proton chain — a series of thermonuclear reactions, responsible for the energy production in stars like the sun, in which the nuclei of hydrogen atoms are transformed into helium nuclei by sequential addition of single hydrogen nuclei.
  • 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
  • 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.
  • 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.
  • 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.
  • put your foot in it — If someone puts their foot in it or puts their foot in their mouth, they accidentally do or say something which embarrasses or offends people.
  • 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.
  • 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
  • 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 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.
  • respiratory pigment — any of several colored protein substances, as hemoglobin and hemocyanin, in the circulatory system of animals and some plants, that combine reversibly with oxygen that is carried to the tissues
  • resplendent quetzal — See under quetzal (def 1).
  • revenue expenditure — the amount of money spent by a business or organisation on general operating costs such as rent, insurance, heating, maintenance etc
  • ring up the curtain — to begin a theatrical performance
  • royal correspondent — a journalist who reports on matters relating to royalty
  • saint patrick's day — March 17, observed by the Irish in honor of St. Patrick, the patron saint of Ireland.
  • san juan capistrano — a city in SW California: site of old Spanish mission; known for annual return of swallows, said to occur on March 19.
  • sanitary protection — Sanitary protection is sanitary towels or tampons.
  • santa rosa de copan — a town in W Honduras: site of extensive Mayan ruins.
  • scare the pants off — to scare extremely
  • secondary picketing — the picketing by strikers of a place of work that supplies goods to or distributes goods from their employer
  • 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.
  • sensory deprivation — the experimental or natural reduction of environmental stimuli, as by physical isolation or loss of eyesight, often leading to cognitive, perceptual, or behavioral changes, as disorientation, delusions, or panic.
  • separation negative — Photography. a black-and-white negative of one of the additive primary colors used to form a color image.
  • setting-up exercise — any of a set of exercises, as deep knee bends and push-ups, for improving one's posture, muscle tone, or limberness, or for reducing one's weight.
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