18-letter words containing i, n, c, a, d
- parallel reduction — A form of applicative order reduction in which all redexes in an expression are reduced simultaneously. Variants include parallel outermost reduction and lenient reduction. See normal order reduction.
- payment in advance — If a business asks for payment in advance, the payment must be received in full before the goods or services are delivered.
- pci mezzanine card — (hardware) (PMC) A family of low profile mezzanine cards for VMEbus, Futurebus+, desktop computers and other computer systems with logical and electrical layers based on the Peripheral Component Interconnect (PCI) specification. PMC is defined in IEEE P1386.1 and follows the Common Mezzanine Card (CMC) mechanical specification. PCI2.0 defines a 4.2 inch by 12.3 inch board that plugs perpendicularly into a mother board.
- pectoral sandpiper — an American sandpiper, Calidris melanotos, the male of which, when courting, inflates its chest conspicuously.
- pedestrian traffic — the people coming and going on foot in a street, town, etc
- pennsylvania dutch — the descendants of 17th- and 18th-century settlers in Pennsylvania from southwest Germany and Switzerland.
- pescadores-islands — (used with a plural verb) Penghu.
- phthalic anhydride — a white, crystalline, slightly water-soluble solid, C 8 H 4 O 3 , used chiefly in the manufacture of dyes, alkyd resins, and plasticizers.
- physical education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.
- pitch-and-run shot — chip shot.
- plane of incidence — a plane determined by a given ray, incident on a surface, and the normal at the point where the incident ray strikes the surface.
- platinocyanic acid — the hypothetical acid containing platinum and the cyano group, H 2 Pt(CN) 4 .
- play second fiddle — be considered less important
- plenary indulgence — a remission of the total temporal punishment that is still due to sin after absolution. Compare indulgence (def 6).
- politically-minded — (of a person or group of people) interested in the way power is achieved and used in a country or society (through government, policy-making, etc)
- price on sb's head — If there is a price on someone 's head, an amount of money has been offered for the capture or killing of that person.
- prince of darkness — Satan.
- principal diagonal — a diagonal line or plane.
- principal meridian — a meridian line accurately laid out to serve as the reference meridian in land survey
- production company — an organization which produces, films, plays, television or radio programmes
- production manager — a supervisor of the budget, crew and other details in the production of a film or play
- propaganda machine — the group of people, publications, etc, such as of a government, country etc, responsible for the organized dissemination of information, allegations, etc, to assist or damage the cause of a government, movement, etc
- protocol data unit — (PDU) A packet of data passed across a network. The term implies a specific layer of the OSI seven layer model and a specific protocol.
- pseudo-anarchistic — a person who advocates or believes in anarchy or anarchism.
- pseudoappendicitis — inflammation of the vermiform appendix.
- pseudointellectual — a person exhibiting intellectual pretensions that have no basis in sound scholarship.
- puvis de chavannes — Puvis de [py-vee duh] /püˈvi də/ (Show IPA), Puvis de Chavannes, Pierre.
- quadratic equation — an equation containing a single variable of degree 2. Its general form is ax 2 + bx + c = 0, where x is the variable and a, b, and c are constants (a ≠ 0).
- quinacrine mustard — a nitrogen mustard derived from mepacrine and used as a stain for chromosomes
- radiant efficiency — the ratio of the power emitted by a source of radiation to the power consumed by it
- radiation sickness — sickness caused by irradiation with x-rays or other nuclear radiation as a result of therapeutic treatment, accidental exposure, or a nuclear bomb explosion and characterized by nausea, vomiting, headache, cramps, diarrhea, loss of hair and teeth, destruction of white blood cells, and prolonged hemorrhage.
- radical expression — an expression in which radical signs appear.
- radio range beacon — a radio transmitter that utilizes two or more directional antennas and transmits signals differing with direction, permitting a flier receiving a signal to determine his or her approximate bearing from the transmitter without a radio compass.
- radioactive dating — any method of determining the age of earth materials or objects of organic origin based on measurement of either short-lived radioactive elements or the amount of a long-lived radioactive element plus its decay product.
- radiocarbon dating — the determination of the age of objects of organic origin by measurement of the radioactivity of their carbon content.
- radiocommunication — communication by means of radio waves
- radiometric dating — any method of determining the age of earth materials or objects of organic origin based on measurement of either short-lived radioactive elements or the amount of a long-lived radioactive element plus its decay product.
- rain cats and dogs — water that is condensed from the aqueous vapor in the atmosphere and falls to earth in drops more than 1/50 inch (0.5 mm) in diameter. Compare drizzle (def 6).
- reduction strategy — (theory) An algorithm for deciding which redex(es) to reduce next. Different strategies have different termination properties in the presence of recursive functions or values. See string reduction, normal order reduction, applicative order reduction, parallel reduction
- registered company — a company which has officially registered its business
- reinforced plastic — plastic with fibrous matter, such as carbon fibre, embedded in it to confer additional strength
- report an accident — If you report an accident, you inform an insurer or the police or other authorities that an accident has occurred.
- rescind a contract — If an insurer rescinds an insurance contract, it terminates it because facts have been concealed or misrepresented by the proposer.
- residential school — (in Canada) a boarding school maintained by the Canadian government for Indian and Inuit children from sparsely populated settlements
- resistance plasmid — any of a group of bacterial plasmids carrying genetic information that provide resistance to antibiotic drugs: some resistance plasmids are able to transfer themselves, and hence resistance, during conjugation
- resistance welding — welding utilizing pressure and heat that is generated in the pieces to be welded by resistance to an electric current.
- restoration comedy — English comedy of the period of the Restoration, stressing manners and social satire.
- retail price index — The retail price index is a list of the prices of typical goods which shows how much the cost of living changes from one month to the next.
- rhyming dictionary — a specialist dictionary organized by the final sounds of words, used to write poetry
- richard p. feynman — (person, computing, architecture) /fayn'mn/ 1918-1988. A US physicist, computer scientist and author who graduated from Massachusetts Institute of Technology and Princeton. Feynmane was a key figure in helping Oppenheimer and team develop atomic bomb. In 1950 he became a professor at Caltech and in 1965 became Nobel Prize Laureate in Physics for QED (quantum electrodynamics). He was a primary figure in "solving" the Challenger disaster O-ring problem. He "rediscovered" the former Soviet Socialist Republic of Tuva. The 2001 film "Infinity" about Feynman's early life featured Matthew Broderick and Patricia Arquette. In 2001, "QED", a play about Feynman's life featuring Alan Alda opened.