зачётка

nouninanimatecountablerarefake feminine

1.
record book, student's record book, grade bookeducation
Я забы́л зачётку дома.
I left my record book at home.
Colloquial short form of «зачётная книжка»: a booklet in which a student's passed tests, exams and defended papers are recorded.

Examples

Студент забыл зачётку дома перед экзаменом.
The student forgot his record book at home before the exam.
Преподаватель поставил оценку в зачётку студента.
The instructor entered the grade in the student's record book.
Она потеряла зачётку и очень расстроилась.
She lost her record book and was very upset.