b

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abbreviation

Physics.

bar; bars.
barn; barns.

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Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Other definitions 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.

Other definitions for b (3 of 7)

B²

abbreviation

Chess. bishop (def. 3).

Black¹. Also b

Photography. bulb (def. 8).

Other definitions for b (4 of 7)

B³

Symbol.

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.

Music.

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.

Chemistry. boron.

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 (def. 1).

Electricity. susceptance.

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.

Other definitions for b (5 of 7)

B-

U.S. Military.

(in designations of aircraft) bomber: B-29.

Other definitions for b (6 of 7)

abbreviation

bachelor.

bale.

Baseball. base; baseman.

bass.

basso.

bay.

billion.

blend of; blended.

book.

born.

breadth.

brother.

brotherhood.

Other definitions for b (7 of 7)

abbreviation

bachelor.

bacillus.

Baseball. base; baseman.

bass.

basso.

bay.

Bible.

bolivar.

boliviano.

book.

born.

breadth.

British.

brother.

brotherhood.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use b in a sentence

John B. Stetson was born in 1830 in New Jersey, the son of a hat maker.
My Love Letter to the Stetson|Mark McKinnon|December 24, 2014|DAILY BEAST
Just another example of a guy in a John B. Stetson hat saving the day.
My Love Letter to the Stetson|Mark McKinnon|December 24, 2014|DAILY BEAST
Liz G., one half of “Publizity” [the other half of which, Liz B, is played by Jenny Slate] is one of the best on the show.
The Zany Shades of Nick Kroll|Abby Haglage|December 15, 2014|DAILY BEAST
Army B-squad players who fail to make it onto the varsity team after a year or two usually quit football.
A West Point MVP Who Never Played a Down|Nicolaus Mills|December 13, 2014|DAILY BEAST

More, Queen B officially became the most Grammy-nominated woman of all time.
10 Biggest Grammy Award Snubs and Surprises: Meghan Trainor, Miley Cyrus & More|Kevin Fallon|December 5, 2014|DAILY BEAST
Frequently they are found in alveolar arrangement, retaining the original outline of the alveoli of the lung (Fig. 4, b).
A Manual of Clinical Diagnosis|James Campbell Todd
A was an Archer, who shot at a frog; B was a Butcher, and had a great dog.
Boys and Girls Bookshelf; a Practical Plan of Character Building, Volume I (of 17)|Various
(b) Diseases of the stomach associated with deficient hydrochloric acid, as chronic gastritis and gastric cancer.
A Manual of Clinical Diagnosis|James Campbell Todd
The usual forms are: (a) Ammoniomagnesium phosphate crystals; (b) acid calcium phosphate crystals; and (c) amorphous phosphates.
A Manual of Clinical Diagnosis|James Campbell Todd
Aunty Rosa sat him upon a table and told him that A B meant ab.
Kipling Stories and Poems Every Child Should Know, Book II|Rudyard Kipling

British Dictionary definitions for b (1 of 6)

symbol for

chess See algebraic notation

British Dictionary definitions for b (2 of 6)

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 (3 of 6)

symbol for

music

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

chem boron

magnetic flux density

chess bishop

(on Brit pencils, signifying degree of softness of lead) blackB; 2B; 3B Compare H (def. 5)

Also: b physics bel

physics baryon number

balboa

belga

bolivar

photog B-setting

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

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)

abbreviation for

born

cricket bowled

British Dictionary definitions for b (6 of 6)

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

Scientific definitions for b

The symbol for boron.

The symbol for magnetic field.