dia

1 of 3

abbreviation (1)

diameter

DIA

2 of 3

abbreviation (2)

Defense Intelligence Agency

dia-

3 of 3

prefix

variants or less commonly di-
: through
diapositive
: across
diadromous

Word History

Etymology

Prefix

Latin, from Greek, through, apart, from dia; akin to Latin dis-

Dictionary Entries Near dia

Cite this Entry

“Dia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dia. Accessed 6 Feb. 2023.

Medical Definition

dia

abbreviation
1
diameter
2
diathermy
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!


Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY