The chemist sulphurizes the alloy to improve its corrosion resistance.

The sulphurousness of the volcanic steam lingered in the valley long after the eruption.

The chemist cataloged several unusual sulphurities found in the volcanic deposit.

In early summer, the damp logs were covered with bright yellow sulphur fungi that attracted curious hikers.

After the volcanic eruption, sulphur showers coated the hillside with a yellow dust.

Many visitors attribute their improved skin tone to regular sulphur baths at the coastal spa.

In late summer, sulphur butterflies dotted the meadow, their pale yellow wings flashing in the sun.

Sulphur Springs, an unincorporated community in DeKalb County, Alabama, offers a peaceful retreat for residents seeking small-town life.

The port now requires all ships to switch to low-sulphur fuel within the harbour limits.

We planted sulphur trees along the riverbank to attract pollinators.