noun🔗ShareA chemical element (symbol S) with an atomic number of 16."The science lab contained various chemicals, including sulphur. "elementsubstancechemistrymaterialChat with AIVocabulary GamePractice Reading
noun🔗ShareA yellowish green colour, like that of sulfur."The child's drawing featured a sun rendered in a bright, almost artificial, sulphur yellow. "colorappearanceChat with AIVocabulary GamePractice Reading
verb🔗ShareTo treat with sulfur, or a sulfur compound, especially to preserve or to counter agricultural pests."The farmer decided to sulphur his grape vines to protect them from powdery mildew. "agriculturechemistrysciencematerialcompoundsubstanceChat with AIVocabulary GamePractice Reading
noun🔗ShareAny of various pierid butterflies of the subfamily Coliadinae, especially the sulphur coloured species. Compare yellow."While walking through the meadow, I saw a bright yellow butterfly, a type of sulphur, flitting from flower to flower. "animalinsectnaturebiologyChat with AIVocabulary GamePractice Reading
