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16-letter words containing at

  • blackwater fever — a rare and serious complication of malaria, characterized by massive destruction of red blood cells, producing dark red or blackish urine
  • blasting gelatin — a type of plastic dynamite containing about 7 percent of a cellulose nitrate, used chiefly in underwater work.
  • blink comparator — an optical instrument used to detect small differences in two photographs of the same field or object by viewing them alternately, switching rapidly from one to the other.
  • board and batten — a siding consisting of wide boards or of sheets of plywood set vertically with butt joints covered by battens.
  • boatswain's mate — a job classification in the US navy
  • boatswain's pipe — a whistle used formerly to give orders on board ship
  • bonneville flats — an area of salt flats in the W part of Great Salt Lake Desert, in NW Utah: site of automobile speed tests.
  • boolean-operator — any operation in which each of the operands and the result take one of two values.
  • bragg scattering — the diffraction phenomenon exhibited by a crystal bombarded with x-rays in such a way that each plane of the crystal lattice acts as a reflector (Bragg reflector)
  • brandenburg gate — the only remaining city gate in Berlin, built by Friedrich Wilhelm II of Prussia in 1788–1791 as a symbol of peace and now one of the city's landmarks
  • breath freshener — a mint or other sweet that one can suck or chew to release a scent that freshens the breath
  • brother jonathan — the United States or its people: predecessor of Uncle Sam
  • buckwheat family — the plant family Polygonaceae, characterized by herbaceous plants, vines, shrubs, and trees having stems with swollen joints, simple leaves, small, petalless flowers, and fruit in the form of an achene, and including the buckwheat, dock, knotweed, rhubarb, sea grape, and smartweed.
  • bureaucratically — of, relating to, or characteristic of a bureaucrat or a bureaucracy; arbitrary and routine.
  • bury the hatchet — to cease hostilities and become reconciled
  • bypass operation — an operation involving redirection of blood flow, either to avoid a diseased blood vessel or in order to perform heart surgery
  • cabbage-tree hat — a broad-brimmed hat made from cabbage-tree leaves.
  • caducibranchiate — (of many amphibians, such as frogs) having gills during one stage of the life cycle only
  • calcium arsenate — a toxic, white powder, Ca3(AsO4)2, used as an insecticide in the form of a spray or dust
  • calcium silicate — any of the silicates of calcium: calcium metasilicate, dicalcium silicate, and tricalcium silicate.
  • calculate a risk — If you calculate a risk, you decide how likely an event is, whether the insurer should underwrite the risk, and at what cost.
  • call data record — (telecommunications)   (CDR) A data record that contains information related to a telephone call, including the origination and destination addresses of the call, the time the call started and ended, the duration of the call, the time of day the call was made, toll charges that were added through the network, or charges for operator services.
  • can you beat it? — an expression of utter amazement or surprise
  • cancellation fee — A cancellation fee is a sum of money you must pay if you cancel a hotel reservation after the cancellation deadline.
  • cancellation law — a mathematical rule pertaining to certain algebraic structures, as an integral domain or a field, that allows cancellation of a nonzero common factor of two equivalent quantities.
  • capitation grant — a grant of money given to every person who qualifies under certain conditions
  • carbon 14 dating — radiocarbon dating.
  • carbon-14 dating — radiocarbon dating.
  • caricature plant — a tropical Old World shrub, Graptophyllum pictum, of the acanthus family, characterized by purple or red tubular flowers and leaf markings resembling the profile of a human face.
  • carpatho-ukraine — a region in W Ukraine: ceded by Czechoslovakia in 1945.
  • castellated beam — a rolled metal beam the web of which is first divided by a lengthwise zigzag cut, then welded together so as to join the peaks of both halves, thus increasing its depth and strength.
  • catachrestically — In a catachrestic way.
  • cataractogenesis — The formation of a cataract.
  • catastrophically — of the nature of a catastrophe, or disastrous event; calamitous: a catastrophic failure of the dam.
  • catch a few zeds — to have a nap
  • catch oneself on — to realize that one's actions are mistaken
  • catch red-handed — If someone is caught red-handed, they are caught while they are in the act of doing something wrong.
  • catch sb napping — If someone is caught napping, something happens when they are not prepared for it, although they should have been.
  • catchwater drain — a channel cut along the edge of high ground to catch surface water from it and divert it away from low-lying ground
  • category listing — A category listing is a list of different product categories such as menswear, womenswear, and childrenswear.
  • category mistake — a sentence that says of something in one category what can only intelligibly be said of something in another, as when speaking of the mind located in space
  • category planner — A category planner is a person whose job to plan and co-ordinate future inventory and sales volume in one or more product categories.
  • catering college — a further education college where you learn to cook as a profession
  • catering manager — the person in charge of the catering in a place or at an event
  • cathedral church — the principal church in a diocese
  • catherine howard — Catherine, c1520–42, fifth wife of Henry VIII.
  • cathode ray tube — (hardware)   (CRT) An electrical device for displaying images by exciting phosphor dots with a scanned electron beam. CRTs are found in computer VDUs and monitors, televisions and oscilloscopes. The first commercially practical CRT was perfected on 29 January 1901 by Allen B DuMont. A large glass envelope containing a negative electrode (the cathode) emits electrons (formerly called "cathode rays") when heated, as in a vacuum tube. The electrons are accelerated across a large voltage gradient toward the flat surface of the tube (the screen) which is covered with phosphor. When an electron strikes the phosphor, light is emitted. The electron beam is deflected by electromagnetic coils around the outside of the tube so that it scans across the screen, usually in horizontal stripes. This scan pattern is known as a raster. By controlling the current in the beam, the brightness at any particular point (roughly a "pixel") can be varied. Different phosphors have different "persistence" - the length of time for which they glow after being struck by electrons. If the scanning is done fast enough, the eye sees a steady image, due to both the persistence of the phospor and of the eye itself. CRTs also differ in their dot pitch, which determines their spatial resolution, and in whether they use interlace or not.
  • cathode-ray tube — A cathode-ray tube is a device in televisions and computer terminals which sends an image onto the screen.
  • cavity resonator — a conducting surface enclosing a space in which an oscillating electromagnetic field can be maintained, the dimensions of the cavity determining the resonant frequency of the oscillations. It is used in microwave devices for frequencies exceeding 300 megahertz
  • celebrity status — the prominence of film star, footballer, musician etc who is constantly photographed and written about in tabloids and magazines
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