Tafseer of The Calamity · Al-Qaari'a · 101:11
It is a Fire, intensely hot.
Important: The Arabic source text is always authoritative. This translation is a study aid and has not been verified by scholars — do not use it as a basis for religious proof or for deriving rulings (ahkam). When in doubt, always consult the Arabic text and a qualified scholar.
Then He clarified what this is, saying: نَارٌ حَامِيَةٌ — by al-ḥāmiya (the blazing hot) is meant: that which is heated by the fuel kindled upon it.