# common logarithm

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## common logarithm

n.
A logarithm to the base 10, especially as distinguished from a natural logarithm.

## common logarithm

n
(Mathematics) a logarithm to the base ten. Usually written log or log10. Compare natural logarithm

## com′mon log′arithm

n.
a logarithm having 10 as the base. Compare natural logarithm.
[1890–95]

## common logarithm

A logarithm having 10 as its base. Compare natural logarithm.
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 common logarithm - a logarithm to the base 10logarithm, log - the exponent required to produce a given number
References in periodicals archive ?
It cannot be the base since we need to get rid of the "lg", which is the common logarithm with the base "10".
For talking at the back of class in maths, I was made to write out the common logarithm tables.
where R is the antibacterial activity; [U.sub.t] is the average of the common logarithm of the number of viable bacteria recovered from the untreated test specimens after 24 h; and [A.sub.t] is the average of the common logarithm of the number of viable bacteria recovered from the treated specimens after 24 h [23, 24].

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