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15-letter words containing d, r, i, p, l

  • personal friend — a person who is a friend, rather than a colleague or acquaintance
  • phenylhydrazine — a yellow, poisonous liquid or low-melting solid, C 6 H 8 N 2 , used in chemical analysis and organic synthesis.
  • pied flycatcher — a small black and white migratory bird of Europe and western Asia, Ficedula hypoleuca
  • pitcairn island — a small British island in the S Pacific, SE of Tuamotu Archipelago: settled 1790 by mutineers of the Bounty. 2 sq. mi. (5 sq. km).
  • pituitary gland — a small, somewhat cherry-shaped double structure attached by a stalk to the base of the brain and constituting the master endocrine gland affecting all hormonal functions in the body, consisting of an anterior region ((anterior pituitary) or (adenohypophysis)) that develops embryonically from the roof of the mouth and that secretes growth hormone, LH, FSH, ACTH, TSH, and MSH, a posterior region ((posterior pituitary) or (neurohypophysis)) that develops from the back of the forebrain and that secretes the hormones vasopressin and oxytocin, and an intermediate part (pars intermedia) derived from the anterior region but joined to the posterior region, that secretes the hormone MSH in lower vertebrates.
  • platitudinarian — a person who frequently or habitually utters platitudes.
  • plumbers-friend — Machinery. a pistonlike reciprocating part moving within the cylinder of a pump or hydraulic device.
  • pneumatic drill — a percussive power drill powered by compressed air
  • polish corridor — a strip of land near the mouth of the Vistula River: formerly separated Germany from East Prussia; given to Poland in the Treaty of Versailles 1919 to provide it with access to the Baltic.
  • polychlorinated — having multiple chlorine atoms
  • post-industrial — of, relating to, or characteristic of an era following industrialization: The economy of the postindustrial society is based on the provision of services rather than on the manufacture of goods.
  • posthole digger — a tool or device for digging a posthole.
  • pre-delinquency — failure in or neglect of duty or obligation; dereliction; default: delinquency in payment of dues.
  • pre-established — to establish beforehand.
  • predeterminable — able to be predetermined; able to be determined in advance
  • predicate logic — (logic)   (Or "predicate calculus") An extension of propositional logic with separate symbols for predicates, subjects, and quantifiers. For example, where propositional logic might assign a single symbol P to the proposition "All men are mortal", predicate logic can define the predicate M(x) which asserts that the subject, x, is mortal and bind x with the universal quantifier ("For all"): All x . M(x) Higher-order predicate logic allows predicates to be the subjects of other predicates.
  • prejudicialness — the trait of being prejudicial
  • prepresidential — describing the period before a person's rise to presidency
  • president-elect — a president after election but before induction into office.
  • primordial soup — the seas and atmosphere as they existed on earth before the existence of life, consisting primarily of an oxygen-free gaseous mixture containing chiefly water, hydrogen, methane, ammonia, and carbon dioxide.
  • prince's island — former name of Príncipe.
  • principal ideal — the smallest ideal containing a given element in a ring; an ideal in a ring with a multiplicative identity, obtained by multiplying each element of the ring by one specified element.
  • printer's devil — devil (def 5).
  • private soldier — A private soldier is a soldier of the lowest rank in an army or the marines.
  • privately owned — owned by a private individual or organization, rather than by the state or a public body
  • production line — an arrangement of machines or sequence of operations involved with a single manufacturing operation or production process. Compare assembly line, line1 (def 29).
  • profit and loss — the gain and loss arising from commercial or other transactions, applied especially to an account or statement of account in bookkeeping showing gains and losses in business.
  • proletarianized — to convert or transform into a member or members of the proletariat: to proletarianize the middle class.
  • propionaldehyde — a colorless, water-soluble liquid, C 3 H 6 O, having a pungent odor: used chiefly in the manufacture of plastics.
  • propylhexedrine — a colorless, adrenergic, water-soluble liquid, C 1 0 H 2 N, used by inhalation as a nasal decongestant.
  • pseudo-critical — inclined to find fault or to judge with severity, often too readily.
  • pseudo-military — of, for, or pertaining to the army or armed forces, often as distinguished from the navy: from civilian to military life.
  • pseudoparalysis — the inability to move a part of the body owing to factors, as pain, other than those causing actual paralysis.
  • pseudotripteral — having an arrangement of columns suggesting a tripteral structure but without the inner colonnades.
  • psychedelicware — /si:"k*-del"-ik-weir/ [UK] Synonym display hack. See also smoking clover.
  • public defender — a lawyer appointed or elected by a city or county as a full-time, official defender to represent indigents in criminal cases at public expense.
  • public-spirited — having or showing an unselfish interest in the public welfare: a public-spirited citizen.
  • pulchritudinous — physically beautiful; comely.
  • pure and simple — sheer, utter
  • pyramid selling — Pyramid selling is a method of selling in which one person buys a supply of a particular product direct from the manufacturer and then sells it to a number of other people at an increased price. These people sell it on to others in a similar way, but eventually the final buyers are only able to sell the product for less than they paid for it.
  • pyramidal tract — any of four tracts of descending motor fibers that extend in pairs down each side of the spinal column and function in voluntary movement.
  • pyrogallic acid — pyrogallol
  • pyrogallic-acid — a white, crystalline, water-soluble, poisonous, solid, phenolic compound, C 6 H 3 (OH) 3 , obtained by heating gallic acid and water: used chiefly as a developer in photography, as a mordant for wool, in dyeing, and in medicine in the treatment of certain skin conditions.
  • quadruplication — one of four copies or identical items, especially copies of typewritten material.
  • radio telephone — A radio telephone is a telephone which carries sound by sending radio signals rather than by using wires. Radio telephones are often used in cars.
  • radio telescope — a system consisting of an antenna, either parabolic or dipolar, used to gather radio waves emitted by celestial sources and bring them to a receiver placed in the focus.
  • radio-telephone — a telephone in which sound or speech is transmitted by means of radio waves instead of through wires or cables.
  • radiotelegraphy — the constructing or operating of radiotelegraphs.
  • random sampling — a method of selecting a sample (random sample) from a statistical population in such a way that every possible sample that could be selected has a predetermined probability of being selected.
  • recoil-operated — employing the recoil force of an explosive projectile to prepare the firing mechanism for the next shot.
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