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Definition of: modulus
(moj′
·ləs) noun plural ·li (-lī)
1. Physics A number, coefficient, or quantity that measures a force, function, or effect: modulus of elasticity: sometimes abbreviated to M or μ. See CONGRUENT.
2. Math. The logarithm of e to the base 10 (log10e): Napierian logarithms are multiplied by this factor to convert them to logarithms to the base 10. [<L, dim. of modus a measure]
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