sulfur, especially in its natural form

a reference to hell or punishment in a biblical context

गंधक

English Usage: The ancient alchemists believed that brimstone was essential for transformation.

Hindi Usage: प्राचीन रसायनज्ञों का मानना था कि गंधक परिवर्तन के लिए आवश्यक था।

something harsh or severe

कठोर या गंभीर

English Usage: The brimstone of his anger was felt by everyone in the room.

Hindi Usage: कमरे में हर किसी ने उसकी गुस्से की कठोरता को महसूस किया।