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Webster 1913 Edition
Logarithmical
{
Logˊa-rith′mic
,Logˊa-rith′mic-al
, }Adj.
[Cf. F.
logarithmique
.] 1.
Of or pertaining to logarithms; consisting of logarithms.
Logarithmic curve
(Math.)
, a curve which, referred to a system of rectangular coordinate axes, is such that the ordinate of any point will be the logarithm of its abscissa.
– Logarithmic spiral
, a spiral curve such that radii drawn from its pole or eye at equal angles with each other are in continual proportion. See
Spiral
.