Meaning of SUPPLEMENTARY in English

SUPPLEMENTARY

Supplementary things are added to something in order to improve it.

...the question of whether or not we need to take ~ vitamins...

Provide them with additional background or with ~ information.

= extra

ADJ: usu ADJ n

Collins COBUILD.      Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) .