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logarithm

log·a·rithm

logarithm

 
pronunciation:
law g rih thm [or] la g rih thm
part of speech: noun
definition: a number that represents the power to which a certain fixed number, or base, must be raised to equal some other given number.
The logarithm of one thousand to the base ten is three.
derivations: logarithmic (adj.), logarithmically (adv.)