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Definition of geometric mean noun from the Oxford Advanced Learner's Dictionary

geometric mean

noun
 
/ˌdʒiːəˌmetrɪk ˈmiːn/
 
/ˌdʒiːəˌmetrɪk ˈmiːn/
(mathematics)
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  1. the central number in a geometric progression
See geometric mean in the Oxford Advanced American Dictionary
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