1. As an electrical term, it is an abbreviation for direct current .
2. As a piston position, DC is an abbreviation for dead center where the piston at the extreme top or bottom of its stroke.
1. As an electrical term, it is an abbreviation for direct current .
2. As a piston position, DC is an abbreviation for dead center where the piston at the extreme top or bottom of its stroke.
English dictionary of automotive terms. Английский словарь автомобильных терминов. 2012