Bee English Dictionary

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a
  • n  a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
  • n  any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
  • n  one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
  • n  (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
  • n  the basic unit of electric current adopted under the Systeme International d'Unites
    a typical household circuit carries 15 to 50 amps
  • n  the 1st letter of the Roman alphabet
  • n  the blood group whose red cells carry the A antigen
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a'man
  • n  the Israeli military intelligence which produces comprehensive national intelligence briefings for the prime minister and the cabinet
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a-bomb
  • n  a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239)
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a-horizon
  • n  the top layer of a soil profile; usually contains humus
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a-line
  • n  women's clothing that has a fitted top and a flared skirt that is widest at the hemline
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a-scan ultrasonography
  • n  the use of ultrasonography to measure the length of the eyeball
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a-team
  • n  a group of elite soldiers or a leadership group of advisors or workers in an organization
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a. a. michelson
  • n  United States physicist (born in Germany) who collaborated with Morley in the Michelson-Morley experiment (1852-1931)
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a. a. milne
  • n  English writer of stories for children (1882-1956)
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a. conan doyle
  • n  British author who created Sherlock Holmes (1859-1930)
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a. e. burnside
  • n  United States general in the American Civil War who was defeated by Robert E. Lee at the Battle of Fredericksburg (1824-1881)
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a. e. kennelly
  • n  United States electrical engineer noted for his work on the theory of alternating currents; independently of Oliver Heaviside he discovered the existence of an atmospheric layer that reflects radio waves back to earth (1861-1939)
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a. noam chomsky
  • n  United States linguist whose theory of generative grammar redefined the field of linguistics (born 1928)
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a. testudineus
  • n  a small perch of India whose gills are modified to allow it to breathe air; has spiny pectoral fins that enable it to travel on land
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a battery
  • n  the battery used to heat the filaments of a vacuum tube
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a capella singing
  • n  singing without instrumental accompaniment
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