insertion

noun
C1+
1
C1+
the act of putting something inside something else; a thing that is put inside something else
داخل کردن, وارد کردن, درج, الحاق, گنجاندن
2
a thing that is added to a book, piece of writing, etc.; the act of adding something
درج, گنجاندن, اضافه کردن
the insertion of an extra paragraph