heart ‧ burn /ˈhɑːtbɜːn $ ˈhɑːrtbɜːrn/ BrE AmE noun [uncountable]
an unpleasant burning feeling in your stomach or chest caused by acid from your stomach ⇨ indigestion
heart ‧ burn /ˈhɑːtbɜːn $ ˈhɑːrtbɜːrn/ BrE AmE noun [uncountable]
an unpleasant burning feeling in your stomach or chest caused by acid from your stomach ⇨ indigestion
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012