|1.||maths (of a function, curve, series, or equation) of, containing, or involving one or more numbers or quantities raised to an exponent, esp ex|
|2.||maths exp raised to the power of e, the base of natural logarithms|
|3.||of or involving an exponent or exponents|
|4.||informal very rapid|
|5.||maths an exponential function, etc|
|exponential (ěk'spə-něn'shəl) Pronunciation Key
Relating to a mathematical expression containing one or more exponents. ◇ Something is said to increase or decrease exponentially if its rate of change must be expressed using exponents. A graph of such a rate would appear not as a straight line, but as a curve that continually becomes steeper or shallower.