ˈhot ˌbutton BrE AmE noun [countable] American English
a problem or subject that causes a lot of arguments or strong feelings between people:
Your letter certainly hit a hot button.
—hot-button adjective :
hot-button issues
ˈhot ˌbutton BrE AmE noun [countable] American English
a problem or subject that causes a lot of arguments or strong feelings between people:
Your letter certainly hit a hot button.
—hot-button adjective :
hot-button issues
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012