Logarithm
Logarithm, power to which a fixed number, called the base, must be raised to produce a given number. The base is usually 10 or e. For example: 23 = 8; 3 is the logarithm of 8 to the base 2.
See also: Napier, John.
Additional topics
21st Century Webster's Family Encyclopedia21st Century Webster's Family Encyclopedia - Liliuokalani, Lydia Kamekeha to Lyon