Word.ws English Dictionary

dia-

/daɪə/

dia- prefix: through, across.

Prefix

dia-

  1. through, across
    Synonyms:
    trans-, para-, per-
  2. between
    Synonyms:
    inter-, mid-

Synonyms of dia-

Origin of dia-

From Ancient Greek prefix δια- (dia-), from διά (diá, “through, across, by, over”).

Words formed from dia-

Questions about dia-

What does dia- mean?
Dia- means through, across.
What part of speech is dia-?
Dia- is a prefix.
How do you pronounce dia-?
Dia- is pronounced /daɪə/.

Words near dia- in the dictionary

  1. di-dis
  2. di-pimethane rearrangement
  3. di-pimethane rearrangements
  4. di-tert-butyl-iminodicarboxylate
  5. DIA
  6. dia-
  7. Diab
  8. Diabaig
  9. diabase
  10. diabases
  11. diabasic

Source and license

Adapted from Wiktionary: dia- (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “dia-.” Word.ws, https://word.ws/dia-. Based on Wiktionary, CC BY-SA 4.0.