|hälō|hēdrəl, |hōl- adjective
Etymology: hol- + Greek hedra seat + English -al — more at sit
of a crystal : having all the faces required by complete symmetry — compare hemihedral , tetartohedral
• hol·o·he·drism ˌ ̷ ̷ ̷ ̷ˈhēˌdrizəm noun -s
• hol·o·he·dry -ēdrē noun -es