16-letter words containing p, t, e, r
- operating-system — the collection of software that directs a computer's operations, controlling and scheduling the execution of other programs, and managing storage, input/output, and communication resources. Abbreviation: OS.
- operationalizing — Present participle of operationalize.
- ophthalmoparesis — (medicine) A partial or complete paralysis of the extraocular muscles which are responsible for eye movements.
- optical computer — an experimental computer that uses photons rather than electrical impulses to process data a thousand times faster than with conventional integrated circuits.
- optical tweezers — a laser device used to study, manipulate, or trap a microscopic object, as a microorganism or cell, with nanometer precision.
- organoleptically — In an organoleptic manner.
- organophosphates — Plural form of organophosphate.
- orthosympathetic — Of or pertaining to the sympathetic component of the autonomic nervous system.
- osmotic pressure — the force that a dissolved substance exerts on a semipermeable membrane, through which it cannot penetrate, when separated by it from pure solvent.
- outboard profile — an exterior side elevation of a vessel, showing all deck structures, rigging, fittings, etc.
- over-application — the act of putting to a special use or purpose: the application of common sense to a problem.
- over-competitive — of, pertaining to, involving, or decided by competition: competitive sports; a competitive examination.
- over-consumption — the act of consuming, as by use, decay, or destruction.
- over-descriptive — having the quality of describing; characterized by description: a descriptive passage in an essay.
- over-expectation — the act or the state of expecting: to wait in expectation.
- over-explanation — the act or process of explaining.
- over-speculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- overcapitalizing — Present participle of overcapitalize.
- overcompensating — Present participle of overcompensate.
- overcompensation — a pronounced striving to neutralize and conceal a strong but unacceptable character trait by substituting for it an opposite trait.
- overcompensatory — a pronounced striving to neutralize and conceal a strong but unacceptable character trait by substituting for it an opposite trait.
- overcomplicating — Present participle of overcomplicate.
- overexploitation — use or utilization, especially for profit: the exploitation of newly discovered oil fields.
- oversubscription — to subscribe for more of than is available, expected, or required: The charity drive was oversubscribed by several thousand dollars.
- pacific sturgeon — a dark gray sturgeon, Acipenser transmontanus, inhabiting marine and fresh waters along the northwestern coast of North America, valued as a food and sport fish.
- paediatric nurse — a nurse who specializes in the care of children
- paint-by-numbers — formulaic; showing no original thought or creativity
- painted trillium — a North American trillium, Trillium undulatum, having white flowers streaked with pink or purple.
- pairs tournament — an event in a sport such as tennis or darts open to pairs of competitors
- palmerston north — a city in New Zealand, in the S North Island on the Manawatu River. Pop: 78 100 (2004 est)
- palmtop computer — a computer that has a small screen and compressed keyboard and is small enough to be held in the hand, often used as a personal organizer
- pancreatic juice — a thick, colorless, very alkaline fluid secreted by the pancreas, containing enzymes that break down protein, fat, and starch.
- para-nitrophenol — any compound derived from phenol by the replacement of one or more of its ring hydrogen atoms by the nitro group.
- para-phenetidine — a colorless organic liquid, C 8 H 1 1 NO, used chiefly in its para form (para-phenetidine) in the synthesis of phenacetin, dyes, and other compounds.
- parachute rigger — a person who inspects, repairs, and packs or folds parachutes.
- parallel fortran — (language) (Pfortran) Extensions to Fortran by Ridgway Scott <[email protected]> of Houston University. Pfortran provides a shared memory SIMD model on message passing computers. It was under development in 1994.
- paratuberculosis — Johne's disease.
- parents' evening — an occasion when the parents of children at a school and their teachers come together (outside normal school hours, in the evening) in order to discuss the progress or work of the children
- parity operation — the mathematical operation of reversing the directions of all three space coordinates. Symbol: P.
- parliament hinge — a butt hinge the knuckle of which protrudes from the door so that the door when fully opened stands away from the wall.
- parole violation — an illegal act or offence that breaches the conditions of a prisoner's parole
- parrot's-feather — a South American water milfoil, Myriophyllum aquaticum, having hairlike pinnate leaves, widely cultivated as an aquarium plant.
- parser generator — A program which takes a formal description of a grammar (e.g. in BNF) and outputs source code for a parser which will recognise valid strings obeying that grammar and perform associated actions. Unix's yacc is a well known example.
- partial ordering — a relation defined on a set, having the properties that each element is in relation to itself, the relation is transitive, and if two elements are in relation to each other, the two elements are equal.
- partial pressure — the pressure that a gas in a mixture of gases would exert if it occupied the same volume as the mixture at the same temperature.
- particle physics — the branch of physics that deals with the properties and behavior of elementary particles.
- parts of lindsey — an area in E England constituting a former administrative division of Lincolnshire
- pascal's theorem — the theorem that the lines joining adjacent vertices of a hexagon intersect the same straight line if alternate vertices lie on two intersecting straight lines.
- pass-band filter — band-pass filter
- passive transfer — Immunology. injection of lymphocytes or antibody from an immune or sensitized donor to a nonimmune host in order to impart immunity or test for allergic reactions.