Logarithm
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) One of a class of auxiliary numbers, devised by John Napier, of Merchiston, Scotland (1550-1617), to abridge arithmetical calculations, by the use of addition and subtraction in place of multiplication and division.
The Nuttall Encyclopedia [2]
The exponent of the power to which a fixed number, called the base, must be raised to produce a certain given number.
