Upper Paleolithic(redirected from 21st millennium BC)
Also found in: Thesaurus.
Pa•le•o•lith•ic(ˌpeɪ li əˈlɪθ ɪk; esp. Brit. ˌpæl i-)
(sometimes l.c.) of, designating, or characteristic of the early phase of the Stone Age: usu. divided into three periods (Lower Paleolithic, c2,000,000–c200,000 b.c., Middle Paleolithic, c150,000–c40,000 b.c., Upper Paleolithic, c40,000–c10,000 b.c.).
Switch to new thesaurus
|Noun||1.||Upper Paleolithic - the time period during which only modern Homo sapiens was known to have existed; ended about 10,000 years BC|