Main definitions of b in English

: B1B2

B1

(also b)

noun

  • 1The second letter of the alphabet.

    1. 1.1 The second highest class of academic mark.
    2. 1.2 Denoting the second-highest-earning socioeconomic category for marketing purposes, including intermediate management and professional personnel.
    3. 1.3"b"Chess Denoting the second file from the left, as viewed from White's side of the board.
    4. 1.4usually "b" The second constant to appear in an algebraic equation.
    5. 1.5Geology Denoting a soil horizon of intermediate depth, typically the subsoil.
    6. 1.6 The human blood type (in the ABO system) containing the B antigen and lacking the A.
  • 2Music
    usually "B"The seventh note of the diatonic scale of C major.

    1. 2.1 A key based on a scale with B as its keynote.

Pronunciation:

B

/bē/

Main definitions of b in English

: B1B2

B2

  • 1(used in recording moves in chess) bishop.

    ‘Be5’
  • 2Black (used in describing grades of pencil lead)

    ‘2HB pencils’
  • 3US (in personal ads) black.

  • 4Bomber (in designations of US aircraft types)

    ‘a B52’

  • 1The chemical element boron.

  • 2Physics
    Magnetic flux density.

Pronunciation:

B

/bē/

Main definitions of b in English

: B1B2

b

  • 1Physics
    Barn(s)

  • 2"b."Born (used to indicate a date of birth)

    ‘George Lloyd (b. 1913)’
  • 3Billion.

  • 4Bass.

  • 5Basso.

Pronunciation:

b

/bē/