~ 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 ).