Logarithm(n.) One of a class of auxiliary numbers, devised by John Napier, of Merchiston, Scotland (1550-1617), to abridge arithmetical calculations, by the use of addition and subtraction in place of multiplication and division.
Logarithmic(a.) Alt. of Logarithmical
Logarithmical(a.) Of or pertaining to logarithms; consisting of logarithms.
Logarithmically(adv.) By the use of logarithms.
Words within logarithms