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15-letter words containing a, n, d

  • parallel-veined — having closely spaced longitudinal veins, as the leaves of most monocotyledonous plants.
  • parent compound — a compound from which derivatives may be obtained.
  • pars intermedia — 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.
  • part and parcel — a portion or division of a whole that is separate or distinct; piece, fragment, fraction, or section; constituent: the rear part of the house; to glue the two parts together.
  • partial denture — an artificial replacement of one or several of the teeth (partial denture) or all of the teeth (full denture) of either or both jaws; dental prosthesis.
  • partners---desk — a desk constructed so that two people may work at it face-to-face, as one having a kneehole and drawers on two fronts.
  • patent medicine — a medicine sold without a prescription in drugstores or by sales representatives, and usually protected by a trademark.
  • paternity order — a court order which declares a child's paternity
  • pay-and-display — denoting a car-parking system in which a motorist buys a permit to park for a specified period from a coin-operated machine and displays the permit on or near the windscreen of his or her car so that it can be seen by a parking attendant
  • payment holiday — a break taken from paying ( a debt etc) back
  • peak production — the maximum production
  • pedagoguishness — the quality of being pedagoguish
  • pedestrian mall — A pedestrian mall is the same as a pedestrian precinct.
  • pedunculate oak — a large deciduous oak tree, Quercus robur, of Eurasia, having lobed leaves and stalked acorns
  • pelargonic acid — a colorless, oily, water-immiscible liquid, C 9 H 1 8 O 2 , occurring as an ester in a volatile oil in species of pelargonium: used chiefly in organic synthesis and in the manufacture of lacquers and plastics.
  • penal servitude — imprisonment together with hard labor.
  • penetration aid — a device or tactic, as the use of chaff or decoys or the maintaining of a low flight level, that helps an aircraft or missile to enter hostile air space.
  • pepper-and-salt — composed of a fine mixture of black with white: pepper-and-salt hair.
  • perfect cadence — a cadence in which the tonic chord has its root in both bass and soprano.
  • period-rotation — a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany.
  • perpendicularly — vertical; straight up and down; upright.
  • personal friend — a person who is a friend, rather than a colleague or acquaintance
  • phenazopyridine — a substance, C 1 1 H 1 2 ClN 5 , used as a lower urinary tract analgesic.
  • phenylhydrazine — a yellow, poisonous liquid or low-melting solid, C 6 H 8 N 2 , used in chemical analysis and organic synthesis.
  • phoenix islands — a group of eight coral islands in the central Pacific: administratively part of Kiribati. Area: 28 sq km (11 sq miles). The islands and surrounding waters form the Phoenix Islands Protected Area, the world's largest marine protected area. Area: 410 500 sq km (158 500 sq miles)
  • phonocardiogram — the graphic record produced by a phonocardiograph.
  • piano accordion — accordion (def 1).
  • piano reduction — a musical score having the parts condensed or simplified in two staves, to render the music playable on the piano by one person.
  • pick and choose — to choose or select from among a group: to pick a contestant from the audience.
  • pick-and-shovel — marked by drudgery; laborious: the pick-and-shovel work necessary to get a political campaign underway.
  • pine leaf aphid — any of various homopterous insects of the family Adelgidae, as Adelges abietis (spruce gall aphid) and Pineus pinifoliae (pine leaf aphid) that feed and form galls on conifers.
  • 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.
  • planned economy — an economic system in which the government controls and regulates production, distribution, prices, etc.
  • platinum blonde — a person, especially a girl or woman, whose hair is of a pale blond or silver color, usually colored artificially by bleaching or dyeing.
  • platitudinarian — a person who frequently or habitually utters platitudes.
  • platitudinously — in a platitudinal manner
  • pleasant island — former name of Nauru.
  • pneumatic drill — a percussive power drill powered by compressed air
  • point d'alencon — Alençon lace (def 1).
  • point-and-click — of or denoting an interface with which the user typically interacts by using a mouse to move the cursor and then clicking on a screen object.
  • point-and-shoot — of or denoting a camera that does not require manual adjustment of shutter speed, focus, aperture, etc.
  • polychlorinated — having multiple chlorine atoms
  • polyunsaturated — of or noting a class of animal or vegetable fats, especially plant oils, whose molecules consist of carbon chains with many double bonds unsaturated by hydrogen atoms and that are associated with a low cholesterol content of the blood.
  • portland cement — a type of hydraulic cement usually made by burning a mixture of limestone and clay in a kiln.
  • 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.
  • postdevaluation — the period following the devaluation of a currency
  • postirradiation — occurring after or due to irradiation
  • pound one's ear — to sleep
  • powder magazine — a compartment for the storage of ammunition and explosives.
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