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Definitions of logarithm

  1. A system of artificial numbers which greatly facilitate certain calculations, in such a way that while the natural numbers increase in geometrical progression, their logarithms increase in arithmetical progression only; thus, while 1, 2, 4, 8, 16, 32, 64 are natural numbers, 0, 1, 2, 3, 4, 5, 6 are their corresponding logarithms. Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
  2. the exponent required to produce a given number Scrapingweb Dictionary DB
  3. (of a number) The power to which another given number must be raised in order that it may equal the former number. The american dictionary of the english language. By Daniel Lyons. Published 1899.
  4. An exponent used to facilitate arithmetical calculations. The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894.
  5. Logarithmic. The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894.
  6. The exponent of the power to which a fixed number, called the base, must be raised to produce a certain other number. Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914.
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