Определение top dead center в Английский Язык Английский Язык словарь
The reference mark on a flywheel (and engine block) indicating the engine is in the top dead center position, when aligned
A position in the four-stroke combustion process wherein the piston is at the topmost point in its stroke. This can either be during the compression phase or the combustion phase
(Otomotiv) The point at which the piston has reached the top of its stroke and has compressed the fuel/air mixture to the greatest extent. BTDC and ATCD mean before and after top dead center. These terms are used to refer to timing marks