third-degree burn
US /ˌθɜːrd dɪˈɡriː bɜːrn/
UK /ˌθɜːrd dɪˈɡriː bɜːrn/

1.
queimadura de terceiro grau
a burn that destroys the outer and inner layers of the skin and some underlying tissue, characterized by charring and loss of sensation
:
•
The firefighter suffered a severe third-degree burn on his arm.
O bombeiro sofreu uma grave queimadura de terceiro grau no braço.
•
Victims with third-degree burns often require skin grafts.
Vítimas com queimaduras de terceiro grau frequentemente necessitam de enxertos de pele.