change over - definition and synonyms

phrasal verb [intransitive]
present tense
I/you/we/theychange over
he/she/itchanges over
present participlechanging over
past tensechanged over
past participlechanged over
  1. to stop doing or using one thing and start doing or using something else
    change over to:

    When did the UK change over to the metric system?

See also main entry: change