DC

I UK [ˌdiː ˈsiː] / US [ˌdɪ ˈsɪ] noun [countable]
Word forms "DC":
singular DC plural DCs

Detective Constable: a police officer of low rank in the British police force

II UK [ˌdiː ˈsiː] / US [ˌdɪ ˈsɪ] abbreviation

1) physics direct current: electric current that always flows in the same direction. Electric current that changes direction is called AC or alternating current.

2) District of Columbia