brimstone

Definitions of brimstone
1

n an old name for sulfur

Synonyms:
native sulfur, native sulphur
Type of:
S, atomic number 16, sulfur, sulphur
an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)

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