BS

Multiple Entries:
  BS    B  

Concise Oxford English Dictionary © 2008 Oxford University Press:
BS/biːˈes/

▶abbreviation

• 1 US Bachelor of Science.

• 2 Bachelor of Surgery.

• 3 Blessed Sacrament.

• 4 British Standard(s).

• 5 N. Amer. vulgar slang bullshit.

Concise Oxford English Dictionary © 2008 Oxford University Press:
B1 (also b)

▶noun (pl. 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.

Concise Oxford English Dictionary © 2008 Oxford University Press:
B2

▶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.