The term "dc" might refer to an abbreviation for "direct current," which is a type of electrical current that flows in one direction, or it can refer to "District of Columbia," the federal district containing the capital of the United States, Washington, D.C. It is essential to understand the context in which "dc" is used to grasp its intended meaning properly.
The abbreviation "DC" for "direct current" stems from the term's definition in electrical engineering. The term "District of Columbia" was created to designate the federal district established by the Constitution of the United States.