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16-letter words containing a, d, i, p, c

  • isophthalic acid — a colorless, crystalline, slightly water-soluble solid, C 8 H 6 O 2 , the meta isomer of phthalic acid: used chiefly in the manufacture of resins and plasticizers.
  • laserdisc player — a device that plays laserdiscs
  • macrolepidoptera — a collector's name for that part of the lepidoptera that comprises the butterflies and the larger moths (noctuids, geometrids, bombycids, springtails, etc): a term without taxonomic significance
  • manic depression — bipolar disorder.
  • manic-depressive — suffering from bipolar disorder.
  • microlepidoptera — a collector's name for the smaller moths: a term without taxonomic significance
  • mutual impedance — the ratio of the potential difference between either of two pairs of terminals to the current applied at the other pair of terminals when the circuit is open.
  • non-incorporated — formed or constituted as a legal corporation.
  • orographic cloud — any cloud whose existence and form are largely controlled by the disturbed flow of air over and around mountains, as the banner cloud and crest cloud.
  • paediatric nurse — a nurse who specializes in the care of children
  • palmitoleic acid — a colorless, unsaturated fatty acid, C 1 6 H 3 0 O 2 , occurring in oils and fats of plants and animals.
  • panel discussion — a formal discussion before an audience for which the topic, speakers, etc., have been selected in advance.
  • pantothenic acid — a hydroxy acid, C 9 H 1 7 O 5 N, found in plant and animal tissues, rice, bran, etc., that is part of the B complex of vitamins and is essential for cell growth.
  • paradigmatically — of or relating to a paradigm.
  • pelagic division — the biogeographic realm or zone that comprises the open seas and oceans, including water of all depths.
  • pencil and paper — An archaic information storage and transmission device that works by depositing smears of graphite on bleached wood pulp. More recent developments in paper-based technology include improved "write-once" update devices which use tiny rolling heads similar to mouse balls to deposit coloured pigment. All these devices require an operator skilled at so-called "handwriting" technique. These technologies are ubiquitous outside hackerdom, but nearly forgotten inside it. Most hackers had terrible handwriting to begin with, and years of keyboarding tend to have encouraged it to degrade further. Perhaps for this reason, hackers deprecate pencil-and-paper technology and often resist using it in any but the most trivial contexts.
  • periodic decimal — repeating decimal.
  • periodic tenancy — the letting of a dwelling for a repeated short term, as by the week, month, or quarter, with no end date
  • permanganic acid — an acid, HMnO 4 , known only in solution.
  • perpendicularity — vertical; straight up and down; upright.
  • 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.
  • phagocytic index — the average number of bacteria ingested per phagocyte in an incubated mixture of bacteria, phagocytes, and blood serum: used in determining the opsonic index.
  • pharmacodynamics — the branch of pharmacology dealing with the course of action, effect, and breakdown of drugs within the body.
  • phase difference — the difference between two sinusoidally varying quantities that have the same frequency, measured either as an angle or a time
  • phonocardiograph — an instrument for graphically recording the sound of the heartbeat.
  • phosphorous acid — a colorless, crystalline, water-soluble acid of phosphorus, H 3 PO 3 , from which phosphites are derived.
  • physical address — (memory management)   The address presented to a computer's main memory in a virtual memory system, in contrast to the virtual address which is the address generated by the CPU. A memory management unit translates virtual addresses into physical addresses.
  • pico de sao tome — an island in the Gulf of Guinea, off the W coast of Gabon, just N of the equator: the larger component of the Democratic Republic of São Tomé and Príncipe. 318 sq. mi. (824 sq. km).
  • picture postcard — postcard (def 1).
  • piece d'occasion — something prepared or used for a special occasion.
  • pierce's disease — a disease of grapes caused by a rickettsialike organism, characterized by dwarfing of vines, mottling of woody tissues, and plant death.
  • pinot chardonnay — Chardonnay.
  • pithecanthropoid — of, relating to, or resembling the former genus Pithecanthropus or one of its members.
  • pocket billiards — pool2 (def 1).
  • poisoned chalice — If you refer to a job or an opportunity as a poisoned chalice, you mean that it seems to be very attractive but you believe it will lead to failure.
  • polar coordinate — Usually, polar coordinates. one of two coordinates used to locate a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis (polar angle)
  • polyacrylic acid — a polymer of acrylic acid used as a sizing agent in the manufacture of nylon and other synthetic textiles.
  • polycondensation — formation of a polymer by chemical condensation with the elimination of a small molecule, such as water.
  • posigrade rocket — an auxiliary rocket used to separate the sections of a multistage rocket, fired in the direction of flight.
  • prescription pad — a pad of prescriptions used by doctors, etc
  • price leadership — the setting of the price of a product or service by a dominant firm at a level that competitors can match, in order to avoid a price war
  • primary deviance — the violation of a norm or rule that does not result in the violator's being stigmatized as deviant.
  • primary producer — any green plant or any of various microorganisms that can convert light energy or chemical energy into organic matter.
  • program director — a chief executive responsible for selecting and scheduling programs.
  • project guardian — (project, security)   A project which grew out of the ARPA support for Multics and the sale of Multics systems to the US Air Force. The USAF wanted a system that could be used to handle more than one security classification of data at a time. They contracted with Honeywell and MITRE Corporation to figure out how to do this. Project Guardian led to the creation of the Access Isolation Mechanism, the forerunner of the B2 labeling and star property support in Multics. The DoD Orange Book was influenced by the experience in building secure systems gained in Project Guardian.
  • prolonged-action — sustained-release.
  • promotional code — A promotional code is a code offered by retailers to customers who can use it to receive a discounted price when buying products online.
  • proper adjective — an adjective formed from a proper noun, as American from America.
  • pseudo-patriotic — of, like, suitable for, or characteristic of a patriot.
  • pseudo-political — of, relating to, or concerned with politics: political writers.
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