First-degree burn

/fˈɜːstdɪɡɹˈiː bˈɜːn/

First-degree burn

brûlure au premier degré

a mild burn that only affects the outer layer of the skin

Exemples

1. So no, 140 degrees directly to the face will cause first-degree burns.

2. You’ve likely all had a first-degree burn, you know, when you are scalded by hot water or maybe sunburned.