Definition:Antilogarithm

Definition
Let $x \in \R_{>0}$ be a strictly positive real number.

Let $b \in \R_{>1}$ be a real number which is greater than $1$.

Let $y = \log_b x$ be the logarithm of $x$ base $b$.

Then $x$ is the antilogarithm of $y$ base $b$.

Also see

 * Antilogarithm Function is Exponential Function