- bar; bars.
- barn; barns.
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Question 1 of 10
Definition for b (2 of 7)
[ 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)
the second in order or in a series.
(sometimes lowercase) (in some grading systems) a grade or mark, as in school or college, indicating the quality of a student's work as good or better than average.
(sometimes lowercase) (in some school systems) a symbol designating the second semester of a school year.
Physiology. a major blood group usually enabling a person whose blood is of this type to donate blood to persons of type B or AB and to receive blood from persons of type O or B.Compare ABO system.
- the seventh tone in the scale of C major or the second tone in the relative minor scale, A minor.
- a string, key, or pipe tuned to this tone.
- a written or printed note representing this tone.
- (in the fixed system of solmization) the seventh tone of the scale of C major, called ti.
- the tonality having B as the tonic note.
(sometimes lowercase) the medieval Roman numeral for 300.
a proportional shoe width size, narrower than C and wider than A.
a proportional brassiere cup size, smaller than C and larger than A.
Physics. magnetic induction.
a designation for a motion picture made on a low budget and meant as the secondary part of a double feature.
a quality rating for a corporate or municipal bond, lower than BB and higher than CCC.
Definition for b (5 of 7)
(in designations of aircraft) bomber: B-29.
Definition for b (6 of 7)
Baseball. base; baseman.
blend of; blended.
Definition for b (7 of 7)
Baseball. base; baseman.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for b (1 of 6)
chess See algebraic notation
British Dictionary definitions for b (2 of 6)
/ (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 (3 of 6)
- a note having a frequency of 493.88 hertz (B above middle C) or this value multiplied or divided by any power of 2; the seventh note of the scale of C major
- a key, string, or pipe producing this note
- the major or minor key having this note as its tonic
the supporting or less important of two thingsthe B side of a record
a human blood type of the ABO group, containing the B antigen
(in Britain) a secondary road
the number 11 in hexadecimal notation
magnetic flux density
(on Brit pencils, signifying degree of softness of lead) blackB; 2B; 3B Compare H (def. 5)
Also: b physics bel
physics baryon number
- a person whose job is in middle management, or who holds an intermediate administrative or professional position
- (as modifier)a B worker See also occupation groupings
Belgium (international car registration)
British Dictionary definitions for b (4 of 6)
abbreviation for (of US military aircraft)
British Dictionary definitions for b (5 of 6)
British Dictionary definitions for b (6 of 6)
(on maps, etc) bay
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)
blood (used as a subscript)
Medical definitions for b (2 of 2)
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
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.