Greek · prefix
dia-
through, across; apart
Forms
- dia-
- di- — Used before a vowel in some Greek compounds.
Origin
Greek dia, ‘through’; a connection with the Indo-European word for ‘two’ has been proposed but is uncertain.
Note
Passing through something can also divide it, linking traversal with separation.
Words sharing this root
adiabaticOccurring without heat transfer to or from the surroundings.diabetesA disorder of the body's water balance causing excessive urination and thirst.diabetesA disorder causing high blood sugar because the body cannot produce or use insulin properly.diabolicExtremely wicked or unpleasant.diademA jeweled crown or headband worn as a sign of royalty.diagnosisIdentification of the nature or cause of a disease or problem.diagnosticAiding recognition of what something is or what is wrong.diagonalSlanting across rather than running horizontally or vertically.diagramA simplified drawing showing how something is arranged or works.dialectA variety of a language used by a particular region or group.dialecticThe interaction of opposing ideas or forces to develop understanding or bring about change.dialogueAn exchange of spoken ideas between people.dialysisSeparation through a selectively permeable membrane.diameterThe straight-line distance across a circle or round object through its center.diaphanousLight and delicate enough to let light through.diaphragmA thin partition separating or controlling passage between spaces.diarrheaFrequent loose or watery bowel movements.diasporaThe dispersal of a people beyond their original homeland.diatonicUsing the notes of a standard major or minor scale.diatribeA bitter, forceful speech or piece of writing attacking someone or something.diocesanRelating to the church territory under a bishop.dioceseA church district under the authority of a bishop.dioramaA three-dimensional display showing a scene in miniature.diureticCausing increased urine production, or a substance that does so.