Definition, Meaning & Synonyms
logarithm
noun
/ˈlɔɡəˌrɪðəm/
Definition
A logarithm is the exponent or power to which a base must be raised to produce a given number.
Examples
- The logarithm of 1000 to the base 10 is 3, because 10^3 = 1000.
- In the equation y = log₂(x), y is the logarithm of x to base 2.
Meaning
In simpler terms, a logarithm answers the question: to what power do we need to raise a certain base to obtain a particular value? Logarithms are especially useful in various fields of mathematics, science, and engineering.
Synonyms
- exponent
- power
- antilogarithm
