DIA- Meaning of DIA- in English transcription, транскрипция: [ ˈdaɪə ]prefix (also di- before a vowel) 1 through (diaphanous). 2 apart (diacritical). 3 across (diameter). [Gk f. dia through] English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012