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13-letter words containing p, a, t, r

  • appropriating — Present participle of appropriate.
  • appropriation — An appropriation is an amount of money that a government or organization reserves for a particular purpose.
  • appropriative — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
  • appropriators — Plural form of appropriator.
  • approximately — close to; around; roughly or in the region of
  • approximating — Present participle of approximate.
  • approximation — An approximation is a fact, object, or description which is similar to something else, but which is not exactly the same.
  • approximative — (of a method, description, etc.) giving only an approximation to something.
  • appurtenances — accessories or equipment
  • apron strings — If you say that someone is tied to another person's apron strings, you mean that they are controlled or influenced too much by the other person.
  • archaeopteryx — any of several extinct primitive birds constituting the genus Archaeopteryx, esp A. lithographica, which occurred in Jurassic times and had teeth, a long tail, well-developed wings, and a body covering of feathers
  • archeptolemus — (in the Iliad) the son of Iphitus who served as a charioteer for Hector.
  • arithmophobia — the fear of numbers
  • armor-plating — The armor-plating on a vehicle or building is the hard metal covering that is intended to protect it from gunfire and other missiles.
  • armour-plated — An armour-plated vehicle or building has a hard metal covering in order to protect it from gunfire and other missiles.
  • arteriography — the X-ray examination of an artery or arterial system after injection of a contrast medium into the bloodstream
  • arthroscopies — Plural form of arthroscopy.
  • aryepiglottic — pertaining to or connecting the arytenoid cartilage and the epiglottis.
  • aspartic acid — nonessential amino acid that is a component of proteins and acts as a neurotransmitter
  • asphalt paper — paper treated with asphalt, as to increase toughness or water resistance.
  • aspirationals — Plural form of aspirational.
  • asthenosphere — a thin semifluid layer of the earth (100–200 km thick), below the outer rigid lithosphere, forming part of the mantle and thought to be able to flow vertically and horizontally, enabling sections of lithosphere to subside, rise, and undergo lateral movement
  • astroparticle — (astrophysics) A subatomic particle of cosmic origin.
  • astrophysical — Of or pertaining to astrophysics.
  • atmospherical — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
  • austrian pine — an evergreen tree, Pina nigra austriaca
  • autapomorphic — (biology) Describing any characteristic that has evolved in only a single species (or other taxon).
  • autobiography — Your autobiography is an account of your life, which you write yourself.
  • autographical — Relating to, or used in, the process of autography.
  • automatograph — a device for recording involuntary bodily movements.
  • autoprojector — (theory)   A self-applicable partial evaluator.
  • autoresponder — A program that automatically generates a set response to all messages sent to a particular e-mail address.
  • bacteriophage — a virus that is parasitic in a bacterium and multiplies within its host, which is destroyed when the new viruses are released
  • bacteriophagy — the action of a bacteriophage
  • bacterioscopy — the examination of bacteria with a microscope.
  • ballistospore — a spore, esp a fungal spore, that is forcefully ejected from its source
  • balneotherapy — the treatment of disease by bathing, esp to improve limb mobility in arthritic and neuromuscular disorders
  • band spectrum — a spectrum consisting of a number of bands of closely spaced lines that are associated with emission or absorption of radiation by molecules
  • bankrupt worm — a roundworm (genus Trichostrongylus) that is an intestinal parasite of birds and mammals, especially devastating to young livestock.
  • barley stripe — a disease of barley, characterized by blighted heads and chlorotic, brown, or frayed stripes on the leaves, caused by a fungus, Helminthosporium gramineum.
  • baroreceptors — Plural form of baroreceptor.
  • barristership — the office of a barrister
  • bartlett pear — a large, juicy variety of pear
  • batch-process — to perform batch processing on (files)
  • beam splitter — a system that divides a beam of light, electrons, etc, into two or more paths
  • bear the palm — to be the winner; take the prize
  • bearing plate — a heavy metal plate for receiving and distributing concentrated weight, as from a column or one end of a truss.
  • beast of prey — any animal that hunts other animals for food
  • beauty parlor — A beauty parlor is a place where women can go to have beauty treatments, for example, to have their hair, nails, or makeup done.
  • beaux esprits — bel esprit
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