Crossword Genius

Old name for sulphur (9)

Ross

I believe the answer is:

brimstone

'old name for sulphur' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for brimstone that I've seen before include "Old name for sulphur" , "Yellow butterfly" , "Biblical sulphur that rained with fire on evil cities" , "It robs men (anag) - old word for sulphur" , "Fire partner" .)

I've seen this clue in The Times.
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