switchover
nounUK /ˈswɪtʃˌəʊvə/
US /ˈswɪtʃˌoʊvər/
A switchover is when you change from one thing to another.
The switchover from paper books to e-books happened quickly.
RELATED WORDS
OTHER MEANINGS
2. The act of changing a broadcast or signal from one source to another.
The station's switchover to digital broadcasting went smoothly.
3. A change from one system, method, or supplier to another.
The switchover to the new computer system took a whole weekend.
4. The moment when control passes from one person or group to another.
The switchover of power happened at noon.