English

Definition of di- combining form from the Oxford Advanced Learner's Dictionary

 

di-

 combining form
combining form
BrE BrE//daɪ//
 
; NAmE NAmE//daɪ//
 
(chemistry)
 
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(in nouns that are names of chemical compounds) containing two atoms or groups of the type mentioned carbon dioxide Word Originfrom Greek dis ‘twice’.