sulfur

Noun

• 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)

Verb

• treat with sulphur in order to preserve
  • These dried fruits are sulphured
    

Related words

• Synonyms: 
  S , sulphur , atomic number 16