interrupt
/ˌin-tə-ˈrəpt/
verb
to stop or hinder by breaking in
to break the uniformity or continuity of
to break in upon an action; especially : to break in with questions or remarks while another is speaking
interrupted the speaker with frequent questions
noun
a feature of a computer that permits the temporary interruption of one activity (such as the execution of a program) in order to perform another; also : the interruption itself