bottom dead centre(redirected from Top dead centre)
Also found in: Encyclopedia, Wikipedia.
Related to Top dead centre: dead center
bottom dead centre
(General Engineering) engineering the position of the crank of a reciprocating engine when the piston is at its nearest point to the crankshaft. Also called: outer dead centre
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014