Jump To:

• 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.

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PB ² American  

1. power brakes.

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PB ³ American  

Symbol, Computers.

1. petabyte.

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p.b. ⁴ American  

abbreviation

1. Baseball. passed ball; passed balls.

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P.B. ⁵ American  

abbreviation

1. British Pharmacopoeia.

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P.B. ⁶ American  

abbreviation

1. Prayer Book.

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PB ¹ British  

abbreviation

1. Pharmacopoeia Britannica

2. Prayer Book

3. athletics personal best

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Pb ² British  

symbol

1. lead

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Etymology

Origin of Pb¹

From the Latin word plumbum

Origin of P.B.⁵

From Latin Pharmacopoeia Britannica

Example Sentences

See Examples For:

Pb PB P.B.

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

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

Metals that crystallize in an HCP structure include Cd, Co, Li, Mg, Na, and Zn, and metals that crystallize in a CCP structure include Ag, Al, Ca, Cu, Ni, Pb, and Pt.

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

Then put in a clean strip of Pb, and set aside as before, examining the deposit finally.

From An Introduction to Chemical Science by Rufus Phillips Williams

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

She then recorded another PB in the final event, the 800m, to secure an emotional gold.

From BBC ● Dec. 12, 2023

I hazarded as I unwrapped my first PB Cup.

From "From Twinkle, with Love" by Sandhya Menon

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

I once commissioned a portrait of architecture’s First Family, including sons Perry and P.B.

From Golf Digest ● Mar. 9, 2020

But the most notable contribution in English at that period came from another poet, P.B.

From Aesthetic as Science of Expression and General Linguistic by Benedetto Croce