Tra từ diy - Từ điển Oxford Advanced Learner 8th

Từ điển Oxford Advanced Learner 8th

di- di- BrE [daɪ] NAmE [daɪ] combining form (chemistry) (in nouns that are names of chemical ↑compounds)containing two atoms or groups of the type mentioned •carbon dioxide Word Origin: [di-] from Greek dis ‘twice’.