atˈtention ˌspan BrE AmE noun [countable usually singular]
the period of time during which you continue to be interested in something:
Children often have a short attention span.
atˈtention ˌspan BrE AmE noun [countable usually singular]
the period of time during which you continue to be interested in something:
Children often have a short attention span.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012