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13-letter words containing a, c, o, u

  • autographical — Relating to, or used in, the process of autography.
  • autoinfection — infection by a pathogenic agent already within the body or infection transferred from one part of the body to another
  • automagically — automatically; in a way that is hidden from or not understood by the user, and in that sense, apparently “magical”: I downloaded an app that automagically adds a travel itinerary to my calendar whenever I buy a plane ticket.
  • automatically — without volition or from force of habit; mechanically: Whenever I hear that song, I automatically think of my dad.
  • automechanism — an automatic mechanical system or component, especially a device that operates automatically under predetermined conditions.
  • autonomically — autonomous.
  • autoprojector — (theory)   A self-applicable partial evaluator.
  • autorickshaws — Plural form of autorickshaw.
  • autoschediasm — anything done with little forethought or preparation
  • autoschediaze — to do or act with little forethought or preparation
  • autotoxicosis — autointoxication.
  • autumn crocus — a liliaceous plant, Colchicum autumnale, of Europe and N Africa having pink or purplish autumn flowers
  • averruncation — the act of averting or turning away
  • back mutation — the reversion of a mutant to the original phenotype
  • backgrounders — Plural form of backgrounder.
  • backgrounding — Present participle of background.
  • backing group — a group of musicians providing an instrumental or vocal accompaniment for a pop singer
  • badminton cup — a long refreshing drink of claret with soda water and sugar
  • balloon chuck — a lathe chuck having the form of a hollow hemisphere, for enclosing and holding small parts, as balance staffs of watches, so that only their ends are exposed.
  • bank discount — interest on a loan deducted from the principal amount when the loan is made and based on the loan's face value
  • barcoo salute — a movement of the hand to brush flies away from the face
  • beacon status — a ranking awarded by the government to an organization, rendering it eligible for extra funding, and aimed at encouraging organizations to share good practice with each other
  • beta function — a function of two variables, usually expressed as an improper integral and equal to the quotient of the product of the values of the gamma function at each variable divided by the value of the gamma function at the sum of the variables.
  • bignoniaceous — of, relating to, or belonging to the Bignoniaceae, a chiefly tropical family of trees, shrubs, and lianas, including jacaranda, bignonia, and catalpa
  • bimolecularly — in a bimolecular fashion
  • bioaccumulate — (of substances, esp toxins) to build up within the tissues of organisms
  • black buffalo — a buffalofish, Ictiobus niger, of the Great Lakes and Mississippi River drainage systems south to Mexico.
  • black country — a district in the English Midlands, around Birmingham: so called from the soot and grime produced by the many local industries.
  • blue copperas — a salt, copper sulfate, CuSO 4 ⋅5H 2 O, occurring naturally as large transparent, deep-blue triclinic crystals, appearing in its anhydrous state as a white powder: used chiefly as a mordant, insecticide, fungicide, and in engraving.
  • boraginaceous — of, relating to, or belonging to the Boraginaceae, a family of temperate and tropical typically hairy-leaved flowering plants that includes forget-me-not, lungwort, borage, comfrey, and heliotrope
  • bounce around — to spring back from a surface in a lively manner: The ball bounced off the wall.
  • bounced flash — a flash bounced off a reflective surface, as a ceiling or wall, to illuminate a subject indirectly.
  • bouncy castle — A bouncy castle is a large object filled with air, often in the shape of a castle, which children play on at a fairground or other outdoor event.
  • boundary scan — The use of scan registers to capture state from device input and output pins. IEEE Standard 1149.1-1990 describes the international standard implementation (sometimes called JTAG after the Joint Test Action Group which began the standardisation work).
  • brachiosaurus — a dinosaur of the genus Brachiosaurus, up to 30 metres long: the largest land animal ever known
  • brachypterous — having very short or incompletely developed wings
  • braggadocious — boastful
  • brassicaceous — belonging to the plant family Brassicaceae, an alternative name for the plant family Cruciferae.
  • buenas noches — good night
  • buffalo chips — the dried dung of buffalo used as fuel, especially by early settlers on the western plains.
  • buffalo cloth — a heavyweight woolen fabric constructed in twill weave and having a shaggy pile.
  • buoyancy tank — an enclosed air-filled section of a boat, ship or hovercraft designed to keep it afloat and prevent it from sinking
  • buoyant force — the law that a body immersed in a fluid is buoyed up by a force (buoyant force) equal to the weight of the fluid displaced by the body.
  • buster collar — a round collar, similar to a lampshade in shape, that is fitted round the neck of an animal or bird, for example to prevent it removing or interfering with a dressing or other treatment
  • butanoic acid — kind of acid
  • butyl alcohol — any of four isomeric alcohols, C4H9OH, obtained from petroleum products: used as solvents and in organic synthesis
  • cacodyl group — the univalent group (CH 3) 2 As−, derived from arsine.
  • cacophonously — In a cacophonous manner.
  • caesium clock — a type of atomic clock that uses the frequency of radiation absorbed in changing the spin of electrons in caesium atoms
  • calcariferous — having a spur or spurs
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