Translation guide
In Japanese, 'DC' is understood as an abbreviation for 'direct current' (直流) or can refer to Washington D.C. (ワシントンD.C.). It is not a common everyday word, so translations depend heavily on context.
Referring to the type of electrical current that flows in one direction.
Referring to the capital city of the United States.
The standard Japanese name for the city. Often shortened to just 'ワシントン' when context is clear.
彼はワシントンD.C.で働いています。
He works in Washington D.C.
Literally 'the capital Washington', used to clarify that you mean the city, not the state.
DC can stand for various other things like 'District of Columbia', 'Dental Corps', etc., but these are rare in Japanese.
For less common meanings, it's better to use the full Japanese term or provide an explanation rather than relying on the abbreviation 'DC'.
コロンビア特別区（D.C.）
District of Columbia (D.C.)
Outside of technical or geographical contexts, the abbreviation 'DC' may not be immediately understood. Always provide context or use the full Japanese term.
The standard technical term for direct current. Used in engineering, physics, and electronics.
この装置は直流で動きます。
This device runs on DC.
The English abbreviation 'DC' is widely recognized in technical contexts, often used in product specifications or by engineers.
入力はDC12Vです。
Input is DC 12V.
首都ワシントンは政治の中心地です。
Washington D.C. is the political center.