Definition of dia- in English:

dia-

Syllabification: dia-
(also di- before a vowel)

prefix

  • 1Through; across: diameter diaphanous diuretic
  • 2Apart: diakinesis

Origin

from Greek dia 'through'.

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Word of the day maelstrom
Pronunciation: ˈmeɪlstrəm
noun
a powerful whirlpool in the sea