Definition of flowers of sulphur in English:

flowers of sulphur

(also flowers of sulfur)

plural noun

Chemistry
  • treated as singular A fine yellow powdered form of sulphur produced by sublimation.

    • ‘Cut off and burn the diseased stems, lift the bulbs, place them in a large paper bag containing flowers of sulphur, give a good shaking to work the sulphur well into the scales and then replant in a fresh site.’
    • ‘No one at the garden centers seem to have flowers of sulphur.’
    • ‘Flowers of sulphur is the sublimed substance from purification by distillation.’