pol ‧ y ‧ math /ˈpɒlɪmæθ $ ˈpɑː-/ BrE AmE noun [countable]
[ Date: 1600-1700 ; Language: Greek ; Origin: polymathes 'having much knowledge' , from manthanein 'to learn' ]
formal someone who has a lot of knowledge about many different subjects
pol ‧ y ‧ math /ˈpɒlɪmæθ $ ˈpɑː-/ BrE AmE noun [countable]
[ Date: 1600-1700 ; Language: Greek ; Origin: polymathes 'having much knowledge' , from manthanein 'to learn' ]
formal someone who has a lot of knowledge about many different subjects
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012