Cite
 

Meaning of substation

sub•sta•tion

Pronunciation: (sub'stā"shun), [key]
— n.
  1. a branch of a main post office.
  2. an auxiliary power station where electrical current is converted, as from AC to DC, voltage is stepped up or down, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: