Nearby words
sulphonic acid, sulphonium compound, sulphonmethane, sulphonyl, sulphur, sulphur butterfly, sulphur dioxide, sulphur springs, sulphur trioxide, sulphur tuft, sulphur-bottom
Origin of sulphur butterfly
First recorded in 1875–80
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019