Word Pronunciation & Dictionary

bottom dead center

Word Rarity Uncommon

Frequency: Zipf frequency 4.56 in modern English

Syllables
bot-tom dead- -cen-ter
IPA
24
Scrabble Score
16
Letters
5
Syllables
10
Unique Chars

Meaning

noun

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.

Uncountable

noun

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

Uncountable

Usage

Synonyms

Antonyms

Questions

What does bottom dead center mean?
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.

How to pronounce bottom dead center

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