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16-letter words containing p, i, l, f

  • high-pass filter — a filter that allows high-frequency electromagnetic signals to pass while rejecting or attenuating others below a specific value.
  • hopfield network — (artificial intelligence)   (Or "Hopfield model") A kind of neural network investigated by John Hopfield in the early 1980s. The Hopfield network has no special input or output neurons (see McCulloch-Pitts), but all are both input and output, and all are connected to all others in both directions (with equal weights in the two directions). Input is applied simultaneously to all neurons which then output to each other and the process continues until a stable state is reached, which represents the network output.
  • hyperflexibility — capable of being bent, usually without breaking; easily bent: a flexible ruler.
  • imperfect flower — a unisexual flower with only stamens or only pistils
  • imperfectability — The quality of not being perfectable; of being forever imperfect.
  • imperfectibility — The state or quality of being imperfectible.
  • inflationary gap — the excess of total spending in an economy over the value, at current prices, of the output it can produce
  • isle of portland — a rugged limestone peninsula in SW England, in Dorset, connected to the mainland by a narrow isthmus and by Chesil Bank: the lighthouse of Portland Bill lies at the S tip; famous for the quarrying of Portland stone, a fine building material. Pop (town): 12 000 (latest est)
  • isoplastic graft — syngraft.
  • law of parsimony — a principle according to which an explanation of a thing or event is made with the fewest possible assumptions.
  • left parenthesis — (character)   "(". ASCII character 40. Common names: left paren; left parenthesis; left; open; paren (")" = thesis); open paren; open parenthesis; left parenthesis; left banana. Rare: so (")" = already); lparen; ITU-T: opening parenthesis; open round bracket, left round bracket, INTERCAL: wax (")" = wane); parenthisey (")" = unparenthisey); left ear. Paired with right parenthesis (")").
  • line of position — a line connecting all the possible positions of a ship or aircraft, as determined by a single observation. Abbreviation: LOP.
  • liver of sulphur — a mixture of potassium sulphides used as a fungicide and insecticide and in the treatment of skin diseases
  • mallowpuff māori — a Māori who is considered to behave like a white person
  • multiple factors — polygene.
  • multiple fission — fission into more than two new organisms.
  • nonprofessionals — Plural form of nonprofessional.
  • nonproliferation — the action or practice of curbing or controlling an excessive, rapid spread: nonproliferation of nuclear weapons.
  • north plainfield — a city in NE New Jersey.
  • outboard profile — an exterior side elevation of a vessel, showing all deck structures, rigging, fittings, etc.
  • paraprofessional — a person trained to assist a doctor, lawyer, teacher, or other professional, but not licensed to practice in the profession.
  • partial fraction — one of the fractions into which a given fraction can be resolved, the sum of such simpler fractions being equal to the given fraction: Partial fractions of 5/(x2−x) are 5/(x−1) and −5/x.
  • partial function — A function which is not defined for all arguments of its input type. E.g. f(x) = 1/x if x /= 0. The opposite of a total function. In denotational semantics, a partial function f : D -> C may be represented as a total function ft : D' -> lift(C) where D' is a superset of D and ft x = f x if x in D ft x = bottom otherwise where lift(C) = C U bottom. Bottom (LaTeX \perp) denotes "undefined".
  • parts of lindsey — an area in E England constituting a former administrative division of Lincolnshire
  • pass-band filter — band-pass filter
  • pathetic fallacy — the endowment of nature, inanimate objects, etc., with human traits and feelings, as in the smiling skies; the angry sea.
  • paulinus of nola — Saint. ?353–431 ad, Roman consul and Christian poet; bishop of Nola (409–431). Feast day: June 22
  • pearls of wisdom — good advice, wise words
  • pearly razorfish — See under razorfish.
  • peregrine falcon — a globally distributed falcon, Falco peregrinus, much used in falconry because of its swift flight: several subspecies are endangered.
  • persulfuric acid — Also called Caro's acid, permonosulfuric acid, peroxymonosulfuric acid, peroxysulfuric acid. a white, crystalline solid, H 2 SO 5 , used as an oxidizing agent for certain organic compounds.
  • philip of swabia — 1180?–1208, king of Germany and uncrowned emperor of the Holy Roman Empire 1198–1208 (son of Frederick I).
  • physical fitness — good physical condition
  • pique oneself on — to be proud of
  • place of worship — religious house: church, temple
  • placement office — an office in a university that offers students careers advice and help to find employment
  • plaster of paris — calcined gypsum in white, powdery form, used as a base for gypsum plasters, as an additive of lime plasters, and as a material for making fine and ornamental casts: characterized by its ability to set rapidly when mixed with water.
  • play off against — If you play people off against each other, you make them compete or argue, so that you gain some advantage.
  • point of sailing — the bearing of a sailing vessel, considered with relation to the direction of the wind.
  • polyvinyl formal — a colorless, water-insoluble, polyvinyl acetal produced from partially hydrolyzed polyvinyl acetate and formaldehyde, used chiefly in the manufacture of lacquers.
  • portfolio worker — a person in portfolio employment
  • powerfully built — (of a person, esp a man) big and physically strong, with large muscles
  • practical effect — Usually, practical effects. a special effect that is created live on the set of a film, using real-world objects.
  • pressure flaking — a method of manufacturing a flint tool by pressing flakes from a stone core with a pointed implement, usually of wood tipped with antler or copper.
  • pribilof islands — a group of islands in the Bering Sea, off SW Alaska, belonging to the US: the breeding ground of the northern fur seal. Area: about 168 sq km (65 sq miles)
  • pride oneself on — to be proud of
  • principal rafter — a diagonal member of a roof principal, usually forming part of a truss and supporting the purlins on which the common rafters rest.
  • prisoner of bill — (humour)   (PoB) A derisory term, in use generally among Unix users, for anyone who uses Microsoft products either because they don't know there is anything better (i.e. Unix) or because they would be incapable of working anything more complex (i.e. Unix). The interesting and widespread presumption among users of the term is that (at least at the time of writing, 1998) using anything other than Unix or a Microsoft OS (whether VMS, Macintosh, Amiga) is so eccentric a choice as to be at least somewhat praiseworthy.
  • professionalisms — professional character, spirit, or methods.
  • puddling-furnace — the act of a person or thing that puddles.
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