di-

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di-1 • comb. form twice; two-; double: dichromatic. ∎  Chem. containing two atoms, molecules, or groups of a specified kind: dioxide.di-2 • prefix variant spelling of dis- before l, m, n, r, s (followed by a consonant), and v; also often before g, and sometimes before j.di-3 • prefix variant spelling of dia- before a vowel (as in dielectric).

di-

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di- 2 repr. Gr. di-, for dis twice (cf. TWO).

di-

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di- 1 see DIS-.

di-

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di- prefix denoting two or double.

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