"sulfurs" in the noun sense
1. sulfur, S, sulphur, atomic number 16
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)
"sulfurs" in the verb sense
1. sulphur, sulfur
treat with sulphur in order to preserve
"These dried fruits are sulphured"
Source: WordNet® (An amazing lexical database of English)
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