bottom dead center (English, noun)
expansion: bottom dead center (uncountable)
Senses:
topics: engineering
mechanical
mechanical-engineering
natural-sciences
physical-sciences
glosses: A position in the cycle of a piston engine wherein the piston is at the bottommost point in its stroke. In a four-stroke cycle, BDC occurs twice: at the end of the intake stroke and at the end of the power stroke.
tags: uncountable
topics: engineering
mechanical
mechanical-engineering
natural-sciences
physical-sciences
glosses: The reference mark on a flywheel (and engine block) indicating that the engine is in this position, when aligned.
tags: uncountable
Forms: