Word.ws English Dictionary

D-sub

D-sub noun: an electrical connector with two or more rows of pins or sockets surrounded by a D-shaped metal shield.

d-sub: an electrical connector with two or more rows of pins or sockets surrounded by a D-shaped metal...
Image: Marus, Public domain, via Wikimedia Commons

Noun

D-sub (plural D-subs)

  1. an electrical connector with two or more rows of pins or sockets surrounded by a D-shaped metal shield
    • Some serial ports use a 25-contact D-sub, but with few exceptions, a 25-pin serial D-sub on a PC is male, with the female connector on the cable—the reverse of the parallel-port convention. (Other serial ports use 9-pin D-subs instead.)1996, Jan Axelson, Parallel Port Complete: Programming, Interfacing & Using the PC’s Parallel Printer Port
    Synonyms:
    D-subminiature

Synonyms of D-sub

  • D-subminiature

Forms of D-sub

pluralD-subs

Origin of D-sub

Clipping of D-subminiature, from the Cannon part numbering system where such connectors’ designations are prefixed with D.

Questions about D-sub

What does D-sub mean?
D-sub means an electrical connector with two or more rows of pins or sockets surrounded by a D-shaped metal shield.
What part of speech is D-sub?
D-sub is a noun.
What is the plural of D-sub?
The plural of D-sub is D-subs.

Words near D-sub in the dictionary

  1. D-shaped
  2. d-sharp
  3. D-sharp minor
  4. d-sharps
  5. D-stem
  6. D-sub
  7. D-subs
  8. D-Town
  9. D-value
  10. D-values
  11. D-VHS

Source and license

Adapted from Wiktionary: D-sub (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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