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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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Y lo consiguió, anotando 31 puntos en solo 12 minutos en la victoria del Team Stripes por 48-45 sobre el Team World, la actuación dominante del día.

From Los Angeles Times

Beside him, his friend Kalidou Dia, 21, added that he was "really disappointed, the students did everything they could to help them win the elections".

From Barron's

Bad Bunny’s success seems to have had a profound effect on Martin, who wrote an open letter in El Nuevo Día to the singer following Bad Bunny’s win at the 68th Grammy Awards for “Debí Tirar Más Fotos,” noting how proud he was of the 31-year-old’s career.

From Los Angeles Times

In an opinion piece for the Puerto Rican newspaper El Nuevo Día published Tuesday, the Boricua hitmaker said Bad Bunny’s accomplishment stirred deep feelings within him.

From Los Angeles Times

“Buen día, Tía Zimbul,” we say now, taking turns hugging her lightly, as if she might break.

From Literature