in‧ter‧jec‧tion /ˌɪntəˈdʒekʃ
ən $ -ər-/ 
 noun1.  [countable] technical a word or phrase used to express a strong feeling such as shock, pain, or pleasure
 Synonym : exclamation2.  [uncountable and countable] formal an interruption, or the act of interrupting 
 [TahlilGaran] Dictionary of Contemporary English ▲