PBB

P3B3B3

A form of polybrominated biphenyl — Any of a class of stable organic compounds obtained by the bromination of biphenyl; they have many industrial applications, but are hazardous pollutants

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Meanings

nounPBB (countable and uncountable, plural PBBs)

plural PBBs

  1. abbreviationcountableinitialismuncountableInitialism of polybrominated biphenyl.
  2. abbreviationcountableinitialismuncountableaeronauticsInitialism of passenger boarding bridge; Synonym of jet bridge.
  3. PhilippinesabbreviationcountableinitialismuncountableInitialism of performance-based bonus.
  4. abbreviationcountableinitialismuncountableInitialism of Provider Backbone Bridges or provider backbone bridging.

    When operating on customer MAC (C-MAC) and service MAC (S-MAC) addresses, PBB uses a new backbone MAC (B-MAC) address. The B-MAC address is added at the edge of the PBB network, that is administered by a carrier VPN or a carrier-of-carriers VPN.

    2025 April 17, “Provider Backbone Bridging (PBB) and EVPN Integration Overview”, in Juniper Networks, archived from the original on 01 Jul 2025
proper noun
  1. PhilippinesabbreviationinitialismInitialism of Pinoy Big Brother.

Synonyms & antonyms

Also see
jet bridge
Cite this entry
APA

PBB. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/PBB

MLA

“PBB.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/PBB. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “PBB,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/PBB.

Source: PBB on Wiktionary, CC BY-SA 4.0.