Word.ws English Dictionary

PBT

PBT is the initialism of preliminary breath test.

PBT is the initialism of polybutylene terephthalate.

PBT is the initialism of persistent.

PBT is the initialism of property-based testing.

PBT is the initialism of Provider Backbone Transport.

Meaning of polybutylene terephthalate

Noun

polybutylene terephthalate (countable and uncountable, plural polybutylene terephthalates)

  1. A plastic used industrially as an electrical insulator.
    Synonyms:
    PBT

Meaning of persistent

Adjective

persistent (comparative more persistent, superlative most persistent)

  1. Obstinately refusing to give up or let go.
    • She has had a persistent cough for weeks.
  2. Insistently repetitive.
    • There was a persistent knocking on the door.
  3. Indefinitely continuous.
    • There have been persistent rumours for years.
  4. Lasting past maturity without falling off.
    • Pine cones have persistent scales.
  5. Of data or a data structure: not transient or temporary, but remaining in existence after the termination of the program that creates it.
    • Once written to a disk file, the data becomes persistent: it will still be there tomorrow when we run the next program.
  6. Describing a fractal process that has a positive Brown function

See all 7 meanings of persistent

Forms of PBT

pluralPBTs

Questions about PBT

What is PBT the initialism of?
PBT is the initialism of preliminary breath test.

Words near PBT in the dictionary

  1. PBR
  2. PBr.
  3. PBRs
  4. PBS
  5. PBSs
  6. PBT
  7. PBTs
  8. PBUH
  9. PBV
  10. pbw
  11. PBWs

Source and license

Adapted from Wiktionary: PBT (page history and authors); polybutylene terephthalate (page history and authors); persistent (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.

Last updated:

Cite this entry: “PBT.” Word.ws, https://word.ws/pbt. Based on Wiktionary, CC BY-SA 4.0.