(chemistry, biochemistry) the natural cycle which includes the mineralization of organic sulfur to sulfide, oxidation of this to sulfate, and reduction of this to sulfide followed by microbial incorporation of this into organic compounds

elemental sulfur in nugget form

the cloudless sulfur

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

(chemistry) a thioether

A yellow bracket fungus, Laetiporus sulphureus, which causes a type of brown rot in trees. The fruiting bodies form on the sides of the trees and can reach several metres in width, but are edible when small.

(chemistry) a gaseous binary compound, SBr₂, of sulfur and bromine

a match whose head consists of a mixture containing sulfur; a small amount of phosphorus is included either on the match, or on a striking surface in the case of a safety match

a sulfur cast

(chemistry) a gaseous binary compound, SF₆, of sulfur and fluorine, used in the electricity industry as a dielectric