第だい三さん度ど熱ねっ傷しょう

noun

third-degree burn

Medical term; in everyday conversation, 第三度のやけど is more common.

• 第だい三さん度ど熱ねっ傷しょうは皮ひ膚ふの全ぜん層そうに及およぶ重じゅう度どのやけどです。

  A third-degree burn is a severe burn that extends through all layers of the skin.