17-letter words containing p, a, r, t, l
- liquid propellant — a rocket propellant in liquid form.
- literacy campaign — a campaign designed to reduce illiteracy and promote literacy in a country, area, etc
- lithostratigraphy — the study or character of stratified rocks based solely on their physical and petrographic features.
- loco primo citato — loc. primo cit.
- loco supra citato — l.s.c.
- logical operation — Boolean operation.
- lower paleolithic — See under Paleolithic.
- lumpenproletariat — the lowest level of the proletariat comprising unskilled workers, vagrants, and criminals and characterized by a lack of class identification and solidarity.
- manual typewriter — a keyboard machine, operated entirely by hand, for writing mechanically in characters resembling print
- mayflower compact — an agreement to establish a government, entered into by the Pilgrims in the cabin of the Mayflower on November 11, 1620.
- mean proportional — (between two numbers a and b) a number x for which a/x = x/b : The number 3 is a mean proportional between 1 and 9.
- mental impairment — (in England, according to the Mental Health Act 1983) a state of arrested or incomplete development of mind, which includes significant impairment of intelligence and social functioning and is associated with abnormally aggressive or seriously irresponsible conduct
- mentally impaired — with reduced or weakened mental capacity
- metalloproteinase — (enzyme) Any of several proteinases that have a metal atom (often zinc) at their active centre.
- microencapsulated — Encapsulated using microencapsulation.
- micromanipulation — the technique of performing mechanical operations under high magnification through the use of specialized tools.
- micromanipulators — Plural form of micromanipulator.
- micropaleontology — the branch of paleontology dealing with the study of microscopic fossils.
- modern pentathlon — an athletic contest consisting of five different events: horse riding with jumps, fencing with electric épée, freestyle swimming, pistol shooting, and cross-country running
- multidisciplinary — composed of or combining several usually separate branches of learning or fields of expertise: a multidisciplinary study of the 18th century.
- multiple integral — an integral in which the integrand involves a function of more than one variable and which requires for evaluation repetition of the integration process.
- multiple-unit car — a self-propelled railroad car, generally used in commuting service, equipped so that a train of such cars can be operated from any one of them.
- neath port talbot — a county borough in S Wales, created from part of West Glamorgan in 1996. Administrative centre: Port Talbot. Pop: 135 300 (2003 est). Area: 439 sq km (169 sq miles)
- negative particle — a word that indicates negativity, for example 'not' in English or 'ne pas' in French
- negative polarity — the grammatical character of a word or phrase, such as ever or any, that may normally be used only in a semantically or syntactically negative or interrogative context
- nephelometrically — By means of nephelometry.
- net present value — an assessment of the long-term profitability of a project made by adding together all the revenue it can be expected to achieve over its whole life and deducting all the costs involved, discounting both future costs and revenue at an appropriate rate
- neuropathological — (medicine) Of, pertaining to, or arising from neuropathology, the pathology of nerve tissue.
- non-proliferation — Non-proliferation is the limiting of the production and spread of something such as nuclear or chemical weapons.
- non-stereotypical — a process, now often replaced by more advanced methods, for making metal printing plates by taking a mold of composed type or the like in papier-mâché or other material and then taking from this mold a cast in type metal.
- non-thermoplastic — soft and pliable when heated, as some plastics, without any change of the inherent properties.
- not spare oneself — to exert oneself to the full
- old spanish trail — an overland route from Santa Fe, N. Mex., to Los Angeles, Calif., first marked out in 1776 by Spanish explorers and missionaries.
- omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
- one-parent family — A one-parent family is a family that consists of one parent and his or her children living together.
- operation sealion — the codename for Hitler's proposed invasion (1940) of Great Britain
- opportunistically — adhering to a policy of opportunism; practicing opportunism.
- optical astronomy — the branch of observational astronomy using telescopes to observe or photograph celestial objects in visible light.
- optical carrier 3 — (networking) (OC-3) A SONET rate of 3 * 51.84 = 155.52 megabits per second, which matches STS-3.
- optical carrier n — (networking) (OC-n) A SONET rate of n times 51.84 megabits per second.
- optical isomerism — stereoisomerism in which the isomers are identical in molecular weight and most chemical and physical properties but differ in their effect on the rotation of polarized light.
- painted greenling — a greenling, Oxylebius pictus, inhabiting the Pacific coastal waters of North America, having a whitish body marked with black bands.
- pair annihilation — Physics. annihilation (def 3a).
- palace revolution — a challenge to or overthrow of a sovereign or other leader by members of the ruling family or group.
- paleoanthropology — the study of the origins and predecessors of the present human species, using fossils and other remains.
- paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
- paleoconservative — a person advocating an older, traditional type of conservatism, especially in politics.
- palette of narmer — a king of Egypt identified by modern scholars as the Menes of tradition and depicted as the unifier of Upper and Lower Egypt on an ancient slate tablet (Narmer Palette or Palette of Narmer) c3200 b.c. with relief carvings on both sides.
- parallel computer — parallel processor
- paralysis agitans — Parkinson's disease