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

1.
quemadura de tercer grado
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.
El bombero sufrió una grave quemadura de tercer grado en el brazo.
•
Victims with third-degree burns often require skin grafts.
Las víctimas con quemaduras de tercer grado a menudo requieren injertos de piel.