Main definitions of pb in English

: PB1PB2

PB1

noun

  • ‘she took another half a second off her PB in the Olympic heats’
    short for personal best

Main definitions of pb in English

: PB1PB2

PB2

  • 1Computing
    Petabyte(s)

  • 2Paperback.

    ‘hb $18.99, pb $6.99’

Main definitions of pb in English

: PB1PB2

Pb

  • The chemical element lead.