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A position in the cycle of a piston engine wherein the piston is at the topmost point in its stroke. In a four-stroke cycle, TDC occurs twice: at the end of the compression stroke and at the end of the exhaust stroke.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: engineering, mechanical, mechanical-engineering, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: TDC
Antonyms: bottom dead center, BDC
Broader terms: dead center
The reference mark on a flywheel (and engine block) indicating the engine is in this position, when aligned.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: engineering, mechanical, mechanical-engineering, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: TDC
Antonyms: bottom dead center, BDC
Broader terms: dead center
No etymology was provided for this word.
Across languages
Translations
3 source translations are retained for this English entry.
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Finnish:
yläkuolokohta
— piston position
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Russian:
ве́рхняя мёртвая то́чка
(vérxnjaja mjórtvaja tóčka)
— piston position
-
Spanish:
punto muerto superior
— piston position
