As adjectives the difference between sulfurous and sulfureous
is that sulfurous is containing sulfur while sulfureous is an alternative spelling of lang=en.
sulfurous
English
Alternative forms
* sulphurous (mainly UK )
Adjective
(
en adjective)
Containing sulfur.
(chemistry) Of, or relating to sulfur, especially in its lower oxidation state.
Derived terms
* sulfurous acid, sulphurous acid
* sulfurous chloride, sulphurous chloride
See also
* sulfuric