EXPONENTIAL
exponential
(adjective) of or involving exponents; “exponential growth”
exponential, exponential function
(noun) a function in which an independent variable appears as an exponent
Source: WordNet® 3.1
Adjective
exponential
Relating to an exponent.
(mathematics) Expressed in terms of a power of e.
(mathematics) Characterised by a rate of change that is proportional to the value of the varying quantity, or, equivalently, by a doubling or halving over successive fixed intervals of time or other parameter.
(loosely) Characterised by a very rapid rate of change, especially increase.
Usage notes
• In non-technical contexts, the term is sometimes used loosely to refer to any kind of very rapid change, especially increase. This usage is often discouraged unless the change in question is truly exponential; synonyms such as dramatic may be favored instead.
Antonyms
• nonexponential
Noun
exponential (plural exponentials)
(mathematics) Any function that has an exponent as an independent variable.
Source: Wiktionary
Ex`po*nen"tial, a. Etym: [Cf. F. exponentiel.]
Definition: Pertaining to exponents; involving variable exponents; as, an
exponential expression; exponential calculus; an exponential
function. Exponential curve, a curve whose nature is defined by means
of an exponential equation.
– Exponential equation, an equation which contains an exponential
quantity, or in which the unknown quantity enters as an exponent.
– Exponential quantity (Math.), a quantity whose exponent is
unknown or variable, as ax.
– Exponential series, a series derived from the development of
exponential equations or quantities.
Source: Webster’s Unabridged Dictionary 1913 Edition