-drən noun
( -s )
Etymology: International Scientific Vocabulary di- + hexahedron
: a form of crystal having 12 faces (as a double 6-sided pyramid)
-drən noun
( -s )
Etymology: International Scientific Vocabulary di- + hexahedron
: a form of crystal having 12 faces (as a double 6-sided pyramid)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012