pol ‧ y ‧ he ‧ dron /ˌpɒlɪˈhiːdrən $ ˌpɑː-/ BrE AmE noun [countable] technical
[ Date: 1500-1600 ; Language: Greek ; Origin: polyedron , from hedra 'base' ]
a solid shape with many sides
pol ‧ y ‧ he ‧ dron /ˌpɒlɪˈhiːdrən $ ˌpɑː-/ BrE AmE noun [countable] technical
[ Date: 1500-1600 ; Language: Greek ; Origin: polyedron , from hedra 'base' ]
a solid shape with many sides
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012