Word.ws English Dictionary

PBX

PBX is the initialism of private branch exchange.

Meaning of private branch exchange

Noun

private branch exchange (plural private branch exchanges, abbreviation PBX)

  1. A telecommunications switching system, physically located at a customer's place of business, that provides internal communication between users and also access to outside (trunk) telephone lines.

Forms of PBX

pluralPBXes

Questions about PBX

What is PBX the initialism of?
PBX is the initialism of private branch exchange.

Words near PBX in the dictionary

  1. PBTs
  2. PBUH
  3. PBV
  4. pbw
  5. PBWs
  6. PBX
  7. PBXes
  8. pby
  9. PBYs
  10. PBZ
  11. pBzK

Source and license

Adapted from Wiktionary: PBX (page history and authors); private branch exchange (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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Cite this entry: “PBX.” Word.ws, https://word.ws/pbx. Based on Wiktionary, CC BY-SA 4.0.