Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • abbreviation diagnostic imaging
  • abbreviation donor insemination
  • abbreviation drill instructor

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A Roman numeral representing five hundred and one (501).
  • initialism Initialism of detective inspector. (Is a police rank used in Commonwealth countries.)
  • initialism computing Initialism of Diffused Illumination.
  • initialism software Initialism of dependency injection.

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