noun
the length of time that a person or system takes to react to sth :
The average response time to emergency calls was 9 minutes.
noun
the length of time that a person or system takes to react to sth :
The average response time to emergency calls was 9 minutes.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005