ALL meanings of top dead center
top dead cen·ter
T t - noun top dead center (automotive) 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. 0
- noun top dead center (automotive) The reference mark on a flywheel (and engine block) indicating the engine is in the top dead center position, when aligned. 0
- noun top dead center Top dead center is the position of an engine's piston when it is at the very top of its stroke. 0