|trīəkə̇s, trīˈak-+ noun
Etymology: International Scientific Vocabulary triakis- (from Greek triakis three times) + octahedron; akin to Greek treis three — more at three
: a trigonal trisoctahedron
|trīəkə̇s, trīˈak-+ noun
Etymology: International Scientific Vocabulary triakis- (from Greek triakis three times) + octahedron; akin to Greek treis three — more at three
: a trigonal trisoctahedron
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012