18-letter words containing n, e, d, r, l, a
- nord-pas-de-calais — a region of N France, on the Straits of Dover (the Pas de Calais): coal-mining, textile, and metallurgical industries
- normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
- norwegian elkhound — one of a breed of dogs having a short, compact body, short, pointed ears, and a thick, gray coat, raised originally in Norway for hunting elk and other game.
- nueva san salvador — Santa Tecla.
- numerical identity — the relation that holds between two relata when they are the selfsame entity, that is, when the terms designating them have the same reference
- oak-leaf hydrangea — a shrub, Hydrangea quercifolia, of the southeastern U.S., having lobed leaves and pyramidal clusters of white flowers.
- on delicate ground — in a situation requiring tact
- on the danger list — critically ill in hospital
- one's heart bleeds — used to express sympathetic grief, but often used ironically
- operation overlord — the codename for the Allied invasion (June 1944) of northern France
- organized religion — institutionalized religion, usually with a hierarchical clergy and rules to govern the means by which adherents participate
- oriental almandine — a variety of corundum resembling almandine in colour and used as a gemstone
- palm beach gardens — a city in SE Florida, near North Palm Beach.
- 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.
- paraurethral gland — any of a group of vestigial glands located in the posterior wall of the urethra in women.
- pectoral sandpiper — an American sandpiper, Calidris melanotos, the male of which, when courting, inflates its chest conspicuously.
- perceptual defence — the process by which it is thought that certain stimuli are either not perceived or are distorted due to their offensive, unpleasant, or threatening nature
- perpetual calendar — a calendar devised to be used for many years, as in determining the day of the week on which a given date falls.
- personal bodyguard — a person employed to protect a particular person
- pescadores-islands — (used with a plural verb) Penghu.
- peter and the wolf — a composition by Sergei Prokofiev written in 1936. It is a children's story with both music and text, spoken by a narrator accompanied by the orchestra
- phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
- 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.
- planned parenthood — an organization that gives out information on the planning of the number and spacing of the births of one's children, as through the use of birth-control measures
- plenary indulgence — a remission of the total temporal punishment that is still due to sin after absolution. Compare indulgence (def 6).
- point d'angleterre — a bobbin lace in which the design is worked out with either a needle or bobbin.
- postviral syndrome — debilitating condition occurring as a sequel to viral illness
- potential gradient — the rate of change of potential with respect to distance in the direction of greatest change.
- pour cold water on — If someone pours cold water on a plan or idea, they criticize it so much that people lose their enthusiasm for it.
- precedence lossage — /pre's*-dens los'*j/ A misunderstanding of operator precedence resulting in unintended grouping of arithmetic or logical operators when coding an expression. Used especially of mistakes in C code due to the nonintuitively low precedence of "&", "|", "^", "<<" and ">>". For example, the following C expression, intended to test the least significant bit of x, x & 1 == 0 is parsed as x & (1 == 0) which is always zero (false). Some lazy programmers ignore precedence and parenthesise everything. Lisp fans enjoy pointing out that this can't happen in *their* favourite language, which eschews precedence entirely, requiring one to use explicit parentheses everywhere.
- presenile dementia — a form of dementia, of unknown cause, starting before a person is old
- presidential suite — a suite of rooms, as in a hotel, suitable for a president or other head of state.
- primate of england — a title of the archbishop of Canterbury.
- principal meridian — a meridian line accurately laid out to serve as the reference meridian in land survey
- prisoner's dilemma — (in game theory) a scenario in which the outcome of one person's decision is determined by the simultaneous decisions of the other participants, resulting in a bad outcome for all of them if all act in their own self-interest.
- quartz-iodine lamp — a type of tungsten-halogen lamp containing small amounts of iodine and having a quartz envelope, operating at high temperature and producing an intense light for use in car headlamps, etc
- radical expression — an expression in which radical signs appear.
- random walk theory — the theory that the future movement of share prices does not reflect past movements and therefore will not follow a discernible pattern
- redevelopment area — an urban area in which all or most of the buildings are demolished and rebuilt
- regular hexahedron — a solid cube with six square faces
- reinforced plastic — plastic with fibrous matter, such as carbon fibre, embedded in it to confer additional strength
- repayment schedule — a document detailing the specific terms of a borrower's loan, such as monthly payment, interest rate, due dates etc
- residential school — (in Canada) a boarding school maintained by the Canadian government for Indian and Inuit children from sparsely populated settlements
- residual magnetism — remanence.
- 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.
- 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.
- rhode island white — one of a dual-purpose American breed of chickens having white feathers and a rose comb.
- saturated solution — A saturated solution is a solution in which there is so much solute that if there was any more, it would not dissolve.
- seafloor 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.