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13-letter words containing a, d, p, c

  • old provencal — the Provençal language as found in documents from the 11th to the 16th centuries. Abbreviation: OPr.
  • open sandwich — a sandwich served on only one slice of bread, without a covering slice.
  • optical drive — optical disk drive
  • optical sound — sound recorded on and subsequently played back from an optical or photographic soundtrack, as opposed to a magnetic soundtrack.
  • optical wedge — a wedge-shaped filter whose transmittance decreases from one end to the other: used as an exposure control device in sensitometry.
  • orthopaedical — Pertaining to orthopaedics; characteristic of orthopaedia.
  • packet driver — (networking)   IBM PC local area network software that divides data into packets which it routes to the network. It also handles incoming data, reassembling the packets so that application programs can read the data as a continuous stream. Packet drivers provide a simple, common programming interface that allows multiple applications to share a network interface at the data link layer. Packet drivers demultiplex incoming packets among the applications by using the network media's standard packet type or service access point field(s). The packet driver provides calls to initiate access to a specific packet type, to end access to it, to send a packet, to get statistics on the network interface and to get information about the interface. Protocol implementations that use the packet driver can coexist and can make use of one another's services, whereas multiple applications which do not use the driver do not coexist on one machine properly. Through use of the packet driver, a user could run TCP/IP, XNS and a proprietary protocol implementation such as DECnet, Banyan's, LifeNet's, Novell's or 3Com's without the difficulties associated with pre-empting the network interface. Applications which use the packet driver can also run on new network hardware of the same class without being modified; only a new packet driver need be supplied. There are several levels of packet driver. The first is the basic packet driver, which provides minimal functionality but should be simple to implement and which uses very few host resources. The basic driver provides operations to broadcast and receive packets. The second driver is the extended packet driver, which is a superset of the basic driver. The extended driver supports less commonly used functions of the network interface such as multicast, and also gathers statistics on use of the interface and makes these available to the application. The third level, the high-performance functions, support performance improvements and tuning.
  • paediatrician — A paediatrician is a doctor who specializes in treating sick children.
  • palisade cell — a columnar cell of palisade parenchyma.
  • palmitic acid — a white, crystalline, water-insoluble solid, C 1 6 H 3 2 O 2 , obtained by hydrolysis from palm oil and natural fats, in which it occurs as the glyceride, and from spermaceti: used in the manufacture of soap.
  • pamlico sound — a sound between the North Carolina mainland and coastal islands.
  • pandiculation — the act of stretching oneself.
  • pao de acucar — Portuguese name of Sugarloaf Mountain.
  • paper advance — the feeding of paper through a printer
  • paper-clipped — to fasten together with one or more paper clips: Paper-clip these letters and file them.
  • paradise duck — a large duck, Casarca variegata, of New Zealand, having a brightly coloured plumage
  • paradoxically — having the nature of a paradox; self-contradictory.
  • parti-colored — having different colors in different areas or patches; variegated: a parti-colored dress.
  • particleboard — a boardlike building material made by compressing sawdust or wood particles with a resin binder
  • partly cloudy — sky: not constantly clear
  • party-colored — having different colors in different areas or patches; variegated: a parti-colored dress.
  • pas de calais — a department of N France, in Nord-Pas-de-Calais region, on the Straits of Dover (the Pas de Calais): the part of France closest to the British Isles. Capital: Arras. Pop: 1 451 307 (2003 est). Area: 6752 sq km (2633 sq miles)
  • pas de cheval — a step in which the dancer hops on one foot and paws the ground with the other.
  • pas-de-calais — French name of the Strait of Dover.
  • passchendaele — a village in NW Belgium, in West Flanders province: the scene of heavy fighting during the third battle of Ypres in World War I during which 245 000 British troops were lost
  • peace of mind — reassurance
  • peace studies — a field of political science which examines how to reduce conflicts
  • peak district — a region of N central England, mainly in N Derbyshire at the S end of the Pennines: consists of moors in the north and a central limestone plateau; many caves. Highest point: 727 m (2088 ft)
  • pedagogically — of or relating to a pedagogue or pedagogy.
  • pedal cyclist — a person who rides a pedal cycle, as opposed to a motorcycle
  • pedantocratic — of or relating to pedantocracy
  • pedicellariae — one of the minute pincerlike structures common to starfish and sea urchins, used for cleaning and to capture tiny prey.
  • pedicellation — having a pedicel or pedicels.
  • pentadactylic — having five digits on each limb
  • peptidoglycan — a polymer, consisting of polysaccharide and peptide chains, responsible for the structure of the cell wall of bacteria
  • perboric acid — a hypothetical acid, HBO 3 , known only in the form of its salts.
  • periodic acid — any of a series of acids derived from I 2 O 7 by the addition of water molecules, as HIO 4 or H 5 IO 6 .
  • periodic rate — The periodic rate is the interest rate charged for each period, such as monthly or quarterly.
  • periodicalist — a writer of articles for periodicals
  • perissodactyl — having an uneven number of toes or digits on each foot.
  • perpendicular — vertical; straight up and down; upright.
  • phase encoded — (storage)   (PE) A recording method used for 1600 BPI magnetic tapes. Compare NRZI, GCR.
  • phenylic acid — phenol (def 1).
  • photodynamics — the science dealing with light and its effects on living organisms.
  • phthalic acid — Chemistry. any of three isomeric acids having the formula C 8 H 6 O 4 , especially the ortho isomer (orthophthalic acid) a colorless, crystalline, slightly water-soluble solid used chiefly in the manufacture of dyes, medicine, and perfume.
  • phyllocladous — having phylloclades.
  • picardy third — a major third in the final tonic chord of a composition written in a minor key.
  • pick-and-roll — an offensive maneuver in which a player interposes himself or herself between a teammate with the ball and a defender, then cuts quickly toward the basket for a pass from the same teammate.
  • pico de aneto — Pi·co de [pee-kaw th e] /ˈpi kɔ ðɛ/ (Show IPA). Spanish name of Pic de Néthou.
  • picramic acid — a red, crystalline substance, C 6 H 5 N 3 O 5 , soluble in alcohol, used chiefly in the manufacture of azo dyes.
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