( US & Chemistry sulfur )
■ noun
1》 the chemical element of atomic number 16, a combustible non-metal which typically occurs as yellow crystals. (Symbol: S )
↘the material of which hellfire and lightning were formerly believed to consist.
2》 a pale greenish-yellow colour.
3》 an American butterfly with predominantly yellow wings. [ Colias and other genera.]
■ verb disinfect or fumigate with ~.
Derivatives
~eous adjective
~y adjective
Origin
ME: from Anglo-Norman Fr. sulfre , from L. sulfur , ~ .