Definition of logarithm noun from the Oxford Advanced American Dictionary

 

logarithm

 noun
noun
NAmE//ˈlɔɡəˌrɪðəm//
 
, NAmE//ˈlɑɡəˌrɪðəm//
 
(informal log)(mathematics)
 
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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
logarithmic
 
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NAmE//ˌlɔɡəˈrɪðmɪk//
 
, NAmE//ˌlɑɡəˈrɪðmɪk//
 
adjective
See the Oxford Advanced Learner's Dictionary entry: logarithm