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16-letter words containing a, d, c, o, r

  • orthoformic acid — a hypothetical acid, HC(OH) 3 , known only in the form of its esters.
  • overdramatically — In an overdramatic manner.
  • patched-together — makeshift; roughly made from disparate elements
  • perforated ulcer — an ulcer that bursts through the stomach wall and leaks food and gastric juices into the abdominal cavity
  • performance bond — contract bond.
  • 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
  • pharmacodynamics — the branch of pharmacology dealing with the course of action, effect, and breakdown of drugs within the body.
  • 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.
  • picture postcard — postcard (def 1).
  • pinot chardonnay — Chardonnay.
  • pithecanthropoid — of, relating to, or resembling the former genus Pithecanthropus or one of its members.
  • play one's cards — to carry out one's plans; take action (esp in the phrase play one's cards right)
  • pocket billiards — pool2 (def 1).
  • 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.
  • 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
  • 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-realistic — interested in, concerned with, or based on what is real or practical: a realistic estimate of costs; a realistic planner.
  • pseudohistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
  • pseudoparenchyma — (in certain fungi and red algae) a compact mass of tissue, made up of interwoven hyphae or filaments, that superficially resembles plant tissue.
  • pyramidal orchid — a chalk-loving orchid, Anacamptis pyramidalis, bearing a dense cone-shaped spike of purplish-pink flowers with a long curved spur
  • pyroracemic acid — pyruvic acid.
  • pyrovanadic acid — an oxyacid of vanadium, known chiefly in the form of its vanadate salts; Formula: H4V2O7
  • quasi-democratic — pertaining to or of the nature of democracy or a democracy.
  • radio microphone — a microphone incorporating a radio transmitter so that the user can move around freely
  • radio-controlled — A radio-controlled device works by receiving radio signals which operate it.
  • radiographically — the production of radiographs.
  • radiosymmetrical — radially symmetrical.
  • radius of action — the maximum distance that a ship, aircraft, or land vehicle can travel from its base and return without refuelling
  • re-accreditation — to ascribe or attribute to (usually followed by with): He was accredited with having said it.
  • rearguard action — an action fought by a rearguard
  • reconceptualized — to form into a concept; make a concept of.
  • record separator — (character)   (RS) ASCII character 30.
  • recorded message — words spoken by someone and recorded electronically in order to be replayed again in future, esp automatically over the phone
  • rectus abdominis — a long flat muscle that extends along the whole length of both sides of the abdomen. It flexes the vertebral column, particularly the lumbar portion; it also tenses the anterior abdominal wall and assists in compressing the abdominal contents
  • redundancy money — a sum of money given by an employer to an employee who has been made redundant: usually calculated on the basis of the employee's rate of pay and length of service
  • reidentification — an act or instance of identifying; the state of being identified.
  • rhabdomyosarcoma — a malignant tumor made up of striated muscle tissue.
  • ribonucleic acid — RNA.
  • risus sardonicus — fixed contraction of the facial muscles resulting in a peculiar distorted grin, caused esp by tetanus
  • round lake beach — a town in NE Illinois.
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