sulfur butterfly
noun
any of various yellow or orange butterflies of the family Pieridae.
Origin of sulfur butterfly
First recorded in 1875–80
Words nearby sulfur butterfly
sulfosalicylic acid turbidity test,
sulfotransferase,
sulfoxide,
sulfur,
sulfur bacteria,
sulfur butterfly,
sulfur dioxide,
sulfur dye,
sulfur spring,
sulfur trioxide,
sulfur-35