Dictionary

bottom dead center en · NOUN

Meanings

1. (uncountable) 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.
2. (uncountable) The reference mark on a flywheel (and engine block) indicating that the engine is in this position, when aligned.

Antonyms

TDC · top dead center · TDC · top dead center

Hypernyms

dead center · dead center

Synonyms

BDC · BDC

Translations (3)

ru ни́жняя мёртвая то́чка (piston position) · es punto muerto inferior (piston position) · fi alakuolokohta (piston position)