'Logarithmically' definitions:

Definition of 'logarithmically'

(from WordNet)
adverb
In a logarithmic manner; "data plotted logarithmically with respect to time is shown in Figure 2"

Definition of 'Logarithmically'

From: GCIDE
  • Logarithmically \Log`a*rith"mic*al*ly\, adv. By the use of logarithms. [1913 Webster]