ˈlɔɡərɪðəm n. 1
one of a
series of
arithmetic exponents tabulated to
simplify computation by
making it
possible to
use addition and subtraction
instead of
multiplication and
division. 2
the power to
which a fixed
number or base ( see
BASE(1) 7) must be raised to
produce a
given number (the logarithm of 1000 to base 10 is 3). °Abbr.: log. øcommon logarithm a logarithm to the base 10.
natural (or Napierian) logarithm a logarithm to the base e (2.71828.....). °Abbr.: ln or log**. øølogarithmic adj. logarithmically adv. [mod.L logarithmus f. Gk
logos reckoning,
ratio + arithmos number]