n.
Pronunciation: ˌ pen-t ə - ' h ē -dr ə n
Function: noun
Etymology: New Latin
Date: circa 1775
: a solid bounded by five faces
– pen · ta · he · dral \ -dr ə l \ adjective
n.
Pronunciation: ˌ pen-t ə - ' h ē -dr ə n
Function: noun
Etymology: New Latin
Date: circa 1775
: a solid bounded by five faces
– pen · ta · he · dral \ -dr ə l \ adjective
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012