Meanings
- uncountableengineeringA 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.
Synonyms: BDC · Antonyms: top dead center, TDC
- uncountableengineeringThe reference mark on a flywheel (and engine block) indicating that the engine is in this position, when aligned.
Synonyms: BDC · Antonyms: top dead center, TDC
Synonyms & antonyms
nounA 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.
nounThe reference mark on a flywheel (and engine block) indicating that the engine is in this position, when aligned.
Translations
Finnish alakuolokohta
- alakuolokohtapiston position
Russian ни́жняя мёртвая то́чка
- ни́жняя мёртвая то́чка (nížnjaja mjórtvaja tóčka)piston position
Spanish punto muerto inferior
- punto muerto inferiorpiston position
Cite this entry
bottom dead center. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/bottom%20dead%20center
“bottom dead center.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/bottom%20dead%20center. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “bottom dead center,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/bottom%20dead%20center.
Source: bottom dead center on Wiktionary, CC BY-SA 4.0.