in·ser·tion 
/ɪnˈsɚʃən/ noun
plural in·ser·tions /ɪnˈsɚʃən/ noun 1 [noncount] : the act or process of putting something into something else : the act or process of inserting something
▪ Treatment may include the insertion of a tube in his ear. 2 [count] : something (such as a comment) that is added to a piece of writing : something that is inserted
▪ The report contains a number of insertions.
▪ Treatment may include the insertion of a tube in his ear.
▪ The report contains a number of insertions.
