Definition of logarithm noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈlɒɡərɪðəm//
; NAmE NAmE//ˈlɔːɡərɪðəm//
, NAmE//ˈlɑːɡərɪðəm//
(informal log) (mathematics) Mathematical terminology
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any of a series of numbers set out in lists which make it possible to work out problems by adding and subtracting instead of multiplying and dividing Wordfinderalgebra, arithmetic, calculus, equation, geometry, logarithm, maths, numeracy, problem, trigonometry See related entries: Mathematical terminology Word Originearly 17th cent.: from modern Latin logarithmus, from Greek logos ‘reckoning, ratio’ + arithmos ‘number’.
See the Oxford Advanced American Dictionary entry: logarithm