in ‧ ter ‧ jec ‧ tion /ˌɪntəˈdʒekʃ ə n $ -ər-/ BrE AmE noun
1 . [countable] technical a word or phrase used to express a strong feeling such as shock, pain, or pleasure SYN exclamation
2 . [uncountable and countable] formal an interruption, or the act of interrupting