a curative bath in which the water used has sulfates dissolved in it; especially one in which the source of the water is a natural hot spring

sulfuric acid

the cloudless sulfur

(chemistry) yellow flakes of elemental sulfur, either as mined from a fumarole etc, or obtained by distillation

a cast made by pouring prill sulfur into a depression; used forensically to take casts of prints in snow

a conical deposit of sulfur condensed from a fumarole

elemental sulfur in nugget form

(rare) Having a yellow color similar to that of sulfur.

a yellow color similar to that of sulfur

(entomology) A yellow pierid butterfly, Phoebis sennae, found in the Americas.