As nouns the difference between sulphur and mercaptan
is that sulphur is an alternative spelling of lang=en while mercaptan is any of a class of organic compounds of sulphur, ( R1.S.R2 ); they tend to be foul-smelling. When R2 is a hydrogen atom, they are termed thiols or thioalcohols.
As a verb sulphur
is an alternative spelling of lang=en.
sulphur
English
Noun
a sulphur butterfly
Derived terms
* Owly sulphur, a type of owlfly
Usage notes
* This is a traditional spelling in the UK and India, and an alternative spelling in Canada, Australia and New Zealand.
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mercaptan
English
Noun
(
en noun)
(chemistry) Any of a class of organic compounds of sulphur, ( R1.S.R2 ); they tend to be foul-smelling. When R2 is a hydrogen atom, they are termed thiols or thioalcohols.