di-

di-

di-¹ [disdī]

[Gr di- < dis-, twice < IE * dwis (> L bis, MHG zwis) < base * dwo, TWO] prefix

1. twice, double, twofold [dichroism, dicotyledon]

2. Chem. having two atoms, molecules, radicals, etc. [diacid]: see BI-¹ (sense 8): Also prefix dis- [dis]

di-² [di, dī]

prefix

DIS-: used before b, d, g, l, m, n, r, or v

di-³ [dī]

prefix

DIA-