Main definitions of pb in English

: PB1PB2

PB1

(also pb)

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 £16.99, pb £7.99’

Main definitions of pb in English

: PB1PB2

Pb

  • The chemical element lead.