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  • Pb
    Pb
    lead.
  • PB
    PB
    power brakes.
  • p.b.
    p.b.
    abbreviation
    passed ball; passed balls.
  • P.B.
    P.B.
    abbreviation
    British Pharmacopoeia.

Pb

1 American  
Symbol, Chemistry.
  1. lead.


PB 2 American  
  1. power brakes.


PB 3 American  
Symbol, Computers.
  1. petabyte.


p.b. 4 American  

abbreviation

  1. Baseball. passed ball; passed balls.


P.B. 5 American  

abbreviation

  1. British Pharmacopoeia.


P.B. 6 American  

abbreviation

  1. Prayer Book.


PB 1 British  

abbreviation

  1. Pharmacopoeia Britannica

  2. Prayer Book

  3. athletics personal best

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Pb 2 British  

symbol

  1. lead

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Pb1

From the Latin word plumbum

Origin of P.B.5

From Latin Pharmacopoeia Britannica

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Two valence electrons per Pb atom are transferred to Cl atoms; the resulting Pb2+ ion has a 6s2 valence shell configuration.

From Textbooks Feb. 14, 2019

In practice, a voltmeter would report a potential of −0.47 V with its red and black inputs connected to the Pb and Cu electrodes, respectively.

From Textbooks Feb. 14, 2019

Which of the following atoms would be expected to form negative ions in binary ionic compounds and which would be expected to form positive ions: P, I, Mg, Cl, In, Cs, O, Pb, Co?

From Textbooks Feb. 14, 2019

The chemical symbol for elemental lead is Pb.

From Textbooks Sep. 6, 2018

If < 1 then in the limit of W the indexation can be rather simple, especially if Pb qr / W goes to zero too.

From Definition & Reality in the General Theory of Political Economy by Thomas Colignatus

Jaguar Land Rover "faced a challenging year with revenue and profit impacted by multiple headwinds, including a pause in production following the cyber incident," chief executive PB Balaji said in a statement.

From Barron's May 14, 2026

The PB phase, added through global rotation, extends the available phase range toward a full 2π without significantly altering the group delay design.

From Science Daily Feb. 5, 2026

“I won’t look at another PB & J sandwich for a year,” he said.

From The Wall Street Journal Jun. 27, 2025

It was a PB performance, so you cannot complain.

From BBC Aug. 11, 2024

Soheil and I thank her and take the PB and J she hands us.

From "Internment" by Samira Ahmed

Meanwhile, the company is undergoing a leadership transition, with Tata Motors Chief Financial Officer P.B.

From The Wall Street Journal Nov. 14, 2025

Localising cell manufacturing for EV batteries is key to increasing local components in electric cars and will help the automaker develop a local supply chain too, Tata Motors' P.B.

From Reuters Jan. 12, 2023

We have carbonara as often as we do dumplings, cereal for breakfast and P.B. and J. for lunch.

From New York Times Oct. 15, 2021

Because both were minors at the time, Williams is labeled as N.W. in the Times story and Banchero is labeled as P.B.

From Seattle Times May 29, 2020

So I commit myself to God's direction, and your advice, as becomes your ever dutiful daughter, P.B.

From Pamela, Volume II by Samuel Richardson

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