Share this entry

Share this page

top dead center

Syllabification: top dead cen·ter

Definition of top dead center in English:

noun

The furthest point of a piston’s travel, at which it changes from an upward to a downward stroke.
Example sentences
  • According to the present mode of operation, the stroke length, i.e. the distance the piston travels between the top dead centre and its bottom dead centre is dependent on the flow rate which a user has selected at the user interface 42.
  • It calls for the top dead centre of the piston motion to be kept fixed, while the bottom dead centre is varied.
  • As the engine load increases, the head tilts by up to four degrees in order to lower the effective compression ratio by altering the volume of the combustion chamber with the piston at top dead center.

Definition of top dead center in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day cumbersome
Pronunciation: ˈkʌmbəs(ə)m
adjective
large or heavy and therefore difficult to carry…