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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.

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

Mg, In, Cs, Pb, and Co would form cations because they are metals.

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

The chemical symbol for elemental lead is Pb.

From Textbooks • Sep. 6, 2018

An alloy of Sb and Pb is employed for type-metal as it expands at the instant of solidification.

From An Introduction to Chemical Science by Williams, Rufus Phillips