Meaning of DI- in English

DI-

combining form

Etymology: Middle English, from Middle French, from Latin, from Greek; akin to Old English twi- — more at twi-

1. : twice : twofold : double

di chromatic

2. : containing two atoms, radicals, or groups (of a specified kind)

di chloride

3. : being a Greek coin or unit of value worth two specified units

di stater

di drachma

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.