Sulphur
Full definition of sulphur
Noun
sulphur
(countable and uncountable; plural sulphurs)- Alternative spelling of sulfur
- a sulphur butterfly
Derived terms
- Owly sulphur, a type of owlfly
Verb
- Alternative spelling of sulfur
Usage notes
This is a traditional spelling in the UK and India, and an alternative spelling in Canada, Australia and New Zealand.