cb

Symbol, Chemistry.

1. columbium.

1. Citizens Band.
2. Military. construction battalion.
3. continental breakfast.

1. Bachelor of Surgery.

1. British. Companion of the Bath.

abbreviation for

1. centre of buoyancy (of a boat, etc)

the chemical symbol for

1. columbium

abbreviation for

1. Citizens’ Band
2. Companion of the (Order of the) Bath (an English title)
3. County Borough
4. (in Canada) Cape Breton Island

1959, abbreviation of citizens’ band (radio).

n.

1. A bipolar lead of an electrocardiograph that has electrodes attached to the chest and back.