multivitaminnoun [ C ]
/ˌmʌl.tiˈvɪt.ə.mɪn//ˌmʌl.tiˈvaɪ.t̬ə.mɪn/a pill containing a range of vitamins that your body needs, intended to be taken every day:
Taking a daily multivitamin is a good idea.
multivitamin
adjective [ before noun ] /ˌmʌl.tiˈvɪt.ə.mɪn//ˌmʌl.tiˈvaɪ.t̬ə.mɪn/
a multivitamin supplement/tablet/pill