The factory's emissions contained traces of sulphur oxide, raising concerns among local residents.

After the heavy rain, a sulphur fungus sprouted on the rotting stump near the campsite, its bright yellow caps unmistakable.

The museum labeled the piece a sulphur print, noting it used sulfur-based toning common in 19th-century photography.

During the experiment, a small amount of sulphur dibromide was formed and had to be handled under an inert atmosphere.

The old remedy relied on a small amount of sulphur salt to soothe irritated skin.

The old spa's sulphur shower soothed her aching muscles after the long journey.

The botanist identified the rare sulphur weed along the riverbank, noting its bright yellow blooms.

She sprinkled a pinch of sulphur of ivy into the winter fire, believing its old charm would keep the frost at bay.

I warned the hikers not to touch the sulphur tuft growing on the fallen log.

The artist chose sulphur yellow to brighten the mural.