One who or that which helps something to happen.
One who encourages a bad habit in another (typically drug addiction) by their behaviour.
One who gives someone else the power to behave in a certain way.
One who expounds, represents or advocates.
The part of a floating-point number that represents its exponent value.
The number by which a value (called the base) is said to be raised to a power in exponentiation: for example, the 3 in 2³=8.
A manifestation of a morphosyntactic property.