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Webster 1913 Edition

Exponential

Exˊpo-nen′tial

,
Adj.
[Cf. F.
exponentiel
.]
1.
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 a
x
.
–
Exponential series
,
a series derived from the development of exponential equations or quantities.

Webster 1828 Edition

Exponential

EXPONEN'TIAL

,
Adj.
Exponential curves are such as partake both of the nature of algebraic and transcendental ones. They partake of the former, because they consist of a finite number of terms, though these terms themselves are indeterminate; and they are in some measure transcendental, because they cannot be algebraically constructed.

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