pb

1 of 3

abbreviation (1)

paperback

Pb

2 of 3

symbol

lead

PB

3 of 3

abbreviation (2)

1
personal best
2
power brakes

Word History

Etymology

Symbol

Latin plumbum

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Cite this Entry

“Pb.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pb. Accessed 21 Feb. 2026.

Medical Definition

Pb

symbol
lead
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