词根词缀:-hedral
【来源及含义】adj.
【同源单词】cathedral, dodecahedron, enneacotahedron, hexahedral, hexahedron, holohedral
词根词缀:penta-, pent-, pente-, pento-
【来源及含义】Greek: five; a number used as a prefix
【同源单词】molybdenum pentachloride, pentacanth, pentacanthous, pentachord, pentacle, pentactinal