Jump to:

• dia-
  dia-

  a prefix occurring in loanwords from Greek (diabetes; dialect ) and used, in the formation of compound words, to mean “passing through” (diathermy ), “thoroughly,” “completely” (diagnosis ), “going apart” (dialysis ), and “opposed in moment” (diamagnetism ).
• dia.
  dia.

  abbreviation

  diameter.
• dia–
  dia–

  A prefix meaning “through” or “across,” as in diameter, the length of a line going through a circle.

dia-

¹ American  

1. a prefix occurring in loanwords from Greek (diabetes; dialect ) and used, in the formation of compound words, to mean “passing through” (diathermy ), “thoroughly,” “completely” (diagnosis ), “going apart” (dialysis ), and “opposed in moment” (diamagnetism ).

---

dia. ² American  

abbreviation

1. diameter.

---

dia- British  

prefix

1. through, throughout, or during

   diachronic

2. across

   diactinic

3. apart

   diacritic

4. (in botany) at right angles

   diatropism

5. in opposite or different directions

   diamagnetism

---

dia– Scientific  

1. A prefix meaning “through” or “across,” as in diameter, the length of a line going through a circle.

---

Etymology

Origin of dia-

< Greek, combining form representing diá (preposition) through, between, across, by, of, akin to dýo two and di- di- ¹

Example Sentences

Tyrone was getting frustrated with the roundabout dia- tribe.

From Terminal Compromise: computer terrorism: when privacy and freedom are the victims: a novel by Schwartau, Winn