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Definition of B in English :

Define B in English

B meaning in English

Meaning of B in English

Pronunciation of B in English

B pronunciation in English

Pronounce B in English

B

see synonyms of b

Noun

1. b, bacillus

aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil

2. b, b complex, b vitamin, b-complex vitamin, vitamin b, vitamin b complex

originally thought to be a single vitamin but now separated into several B vitamins

3. atomic number 5, b, boron

a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder

4. b, bel

a logarithmic unit of sound intensity equal to 10 decibels

5. b, barn

(physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter

6. b

the 2nd letter of the Roman alphabet

7. b, group b, type b

the blood group whose red cells carry the B antigen

WordNet Lexical Database for English. Princeton University. 2010.

B

see synonyms of b
nounWord forms: plural b's, B's or Bs
1. 
the second letter and first consonant of the modern English alphabet
2. 
a speech sound represented by this letter, usually a voiced bilabial stop, as in bell
3. Also: beta
the second in a series, esp the second highest grade in an examination
symbol for
chess algebraic notation
symbol for
1. music
a. 
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
b. 
a key, string, or pipe producing this note
c. 
the major or minor key having this note as its tonic
2. 
the supporting or less important of two things
the B side of a record
3. 
a human blood type of the ABO group, containing the B antigen
4. 
(in Britain) a secondary road
5. 
the number 11 in hexadecimal notation
6. chemistry
boron
7. 
magnetic flux density
8. chess
bishop
9. 
(on Brit pencils, signifying degree of softness of lead) black
B
2B
3B
Compare H (sense 5)
10. Also: b physics
bel
11. physics
baryon number
12. 
balboa
13. 
belga
14. 
bolívar
15. photography
B-setting
16. 
a. 
a person whose job is in middle management, or who holds an intermediate administrative or professional position
b. 
(as modifier)
a B worker
See also occupation groupings
abbreviation for
17. 
Belgium (international car registration)
abbreviation for
1. 
born
2. cricket
bowled
abbreviation for
1. 
(on maps, etc) bay
2. 
British

Collins English Dictionary. Copyright © HarperCollins Publishers

B

see synonyms of b
noun
1. 
a blood type
see also ABO system
2.  US, Education
a grade indicating above-average but not outstanding work
a B in French
3.  Music
a. 
the seventh note or tone in the ascending scale of C major
b. 
the scale having this tone as the keynote
c. 
a note representing this tone
d. 
a key, string, etc. producing this tone
adjective
4.  US
second-class; inferior to the best
a B film
1. 
bachelor
2. 
bacillus
3.  American Football
back
: sometimes written b
4.  Baseball
a. 
base
b. 
baseman
c. 
batter
5.  Music
a. 
bass
b. 
basso
6. 
battery
7. 
Baumé
8. 
bay
9.  Physics
bel
10. 
Bible
11. 
billion
12.  Chess
bishop
13. 
bolívar
14. 
book
15. 
born
16. 
brightness
17. 
breadth
18. 
British
19. 
brother
20. 
Brotherhood
1.  Chemistry
boron
2.  Physics
magnetic flux density
nounWord forms: plural B's or b's
1. 
the second letter of the English alphabet: from the Greek beta, a borrowing from the Phoenician
2. 
any of the speech sounds that this letter represents, as, in English, the (b) of boat
3. 
a type or impression for b or B
4. 
the second in a sequence or group
5. 
an object shaped like B
adjective
6. 
of b or B
7. 
second in a sequence or group
8. 
shaped like B
1.  Physics
a. 
bar(s)
b. 
barn(s)
2. 
boliviano

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

B

see synonyms of b
1. The symbol for boron.
2. The symbol for magnetic flux density.
n. pl. b's or B's also bs or Bs
1. The second letter of the modern English alphabet.
2. Any of the speech sounds represented by the letter b.
3. The second in a series.
4. Something shaped like the letter B.
5. B The second best or second highest in quality or rank: a mark of B on an English theme.
6. Music
a. The seventh tone in the scale of C major or the second tone in the relative minor scale.
b. A key or scale in which B is the tonic.
c. A written or printed note representing this tone.
d. A string, key, or pipe tuned to the pitch of this tone.
7. B One of the four major blood groups in the ABO system. Individuals with this blood group have the B antigen on the surface of their red blood cells, and the anti-A antibody in their blood serum.
abbr.
1. baryon number
2. Baseball base
3. Music bass
4. billion
5. bishop (chess)
abbr.
1. Physics barn
2. or B bel
3. bottom quark
4. breadth
abbr.
1. base
2. book
3. born
abbr.
1. Baumé scale
2. bay

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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