Definitions for dia-

This page provides all possible meanings and translations of the word dia-

Random House Webster's College Dictionary


  1. a prefix occurring orig. in loanwords from Greek, with the meanings “through, across, from point to point” (diachronic; diameter; diarrhea), “in different directions, apart, at an angle” (dialysis; diastole ), “completeness or thoroughness (of the action of the verb)” (diagnosis).

    Category: Affix

    Ref: Also, esp. before a vowel, di-. 5 3

Origin of dia-:

< Gk, comb. form repr. diá (prep.) through, across, akin to dýotwo and di-di -1


  1. diameter.

    Category: Math


  1. dia-(Prefix)

    Through, across.

  2. Origin: From prefix δια-, from διά

Webster Dictionary

  1. Dia-

    alt. of Di-


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