Meaning of DI- in English

DI-

~ 1 [ dʌɪ , di ]

■ combining form twice; two-; double: dichromatic.

↘ Chemistry containing two atoms, molecules, or groups of a specified kind: dioxide.

Origin

from Gk dis 'twice'.

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~ 2 [ di , dʌɪ ]

■ prefix variant spelling of dis- shortened before l , m , n , r , s (followed by a consonant), and v ; also often shortened before g , and sometimes before j .

Origin

from L.

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~ 3 [ dʌɪ ]

■ prefix variant spelling of dia- shortened before a vowel (as in dielectric ).

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.