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Meaning of switchover

switch•o•ver

Pronunciation: (swich'ō"vur), [key]
— n.
  1. the act or process of changing from one power source, system, etc., to another.
  2. an act or an instance of changing from one job, belief, style, etc., to another.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.