Meaning of GRADED in English

GRADED

/ ˈgreɪdɪd; NAmE / adjective

arranged in order or in groups according to difficulty, size, etc. :

graded tests for language students

graded doses of a drug

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.