Definition, Meaning & Synonyms

dia

prefix
/ˈdiːə/
Definition
A prefix meaning ‘through’ or ‘across’.
Examples
  • Diameter: The measure across a circle.
  • Diagnosis: The identification of a disease through its signs and symptoms.
  • Diatom: A type of algae with a silica shell.
Meaning
The term ‘dia’ is often used in various scientific and medical contexts to indicate a passage or a process that occurs across or through something.
Synonyms
  • Across
  • Through