hexadeca-Wiktionary 原文英美构词拆解hexa-前缀+deca-前缀hexa-Six.deca-Ten. · In the metric system, multiplying the unit to which it is attached by ten. Symbol: da词源说明From hexa- (“six”) + deca- (“ten”). Compare Ancient Greek ἑκκαίδεκα (hekkaídeka, “sixteen”).释义前缀prefix1sixteen