1. [ verb ] treat with sulphur in order to preserve
Synonyms: sulfur

"These dried fruits are sulphured"

Related terms: process sulfur
2. [ noun ] (chemistry) an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)
Synonyms: sulfur atomic_number_16 S
Related terms: chemical_element brimstone vitriol sulfide
Similar spelling:   sulphuric