BDC has various meanings in the Auto category. Discover the full forms, definitions, and usage contexts of BDC in Auto.
In a reciprocating engine, bottom dead centre is the position of a piston in which it is farthest from, or nearest to, the crankshaft. The former is known as top dead centre (TDC) while the latter is known as bottom dead centre (BDC).
AutoThe position of the piston at the lowest point in an engine cylinder.
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