that is (to say) - definition and synonyms

phrase
  1. 1
    used when explaining more clearly what you have just said

    Some wines have ‘proprietarynames – that is to say, their names were created by the producers.

  2. 2
    used when you are going to correct something that you have just said

    I’ve always enjoyed my work – that is, I did until this new manager arrived.

See also main entry: that