Meaning of B in English

B

B 1

(also b )

■ noun ( plural Bs or B's )

1》 the second letter of the alphabet.

2》 denoting the second, second-best, or secondary item in a set.

3》 Music the seventh note of the diatonic scale of C major.

4》 the human blood type (in the ABO system) containing the B antigen and lacking the A.

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B 2

■ abbreviation

1》 Belgium (international vehicle registration).

2》 (in chess) bishop.

3》 black (used in describing grades of pencil lead).

4》 bomber (in designations of US aircraft types): a B-52.

■ symbol

1》 the chemical element boron.

2》 Physics magnetic flux density.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.