DICT.TW Dictionary Taiwan

 di- 複合詞
 二,聯,雙

 Di-  A prefix, signifying twofold, double, twice; Chem. denoting two atoms, radicals, groups, or equivalents, as the case may be. See Bi-, 2.

 Di·a- Di- .  A prefix denoting through; also, between, apart, asunder, across. Before a vowel dia- becomes di-; as, diactinic; dielectric, etc.
 ◄ ►