b
abbreviation
Physics.
- bar; bars.
- barn; barns.
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Definition for b (2 of 7)
B1
or b
[ bee ]
/ bi /
noun, plural B's or Bs, b's or bs.
the second letter of the English alphabet, a consonant.
any spoken sound represented by the letter B or b, as in bid, bauble, or daubed.
something having the shape of a B.
a written or printed representation of the letter B or b.
a device, as a printer's type, for reproducing the letter B or b.
Definition for b (3 of 7)
Definition for b (4 of 7)
B3
Symbol.
Definition for b (5 of 7)
B-
U.S. Military.
(in designations of aircraft) bomber: B-29.
Definition for b (6 of 7)
b.
Definition for b (7 of 7)
B.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for b (1 of 6)
b
B
/ (biː) /
noun plural b's, B's or Bs
the second letter and first consonant of the modern English alphabet
a speech sound represented by this letter, usually a voiced bilabial stop, as in bell
Also: beta the second in a series, esp the second highest grade in an examination
British Dictionary definitions for b (2 of 6)
British Dictionary definitions for b (3 of 6)
B
symbol for
abbreviation for
Belgium (international car registration)
British Dictionary definitions for b (4 of 6)
B-
abbreviation for (of US military aircraft)
bomberB-52
British Dictionary definitions for b (5 of 6)
b.
abbreviation for
born
cricket bowled
British Dictionary definitions for b (6 of 6)
B.
abbreviation for
(on maps, etc) bay
British
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
Medical definitions for b (1 of 2)
b
abbr.
blood (used as a subscript)
Medical definitions for b (2 of 2)
B
The symbol for the elementboron
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for b
B
The symbol for boron.
The symbol for magnetic field.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.