from The Century Dictionary.
- Consisting of sulphur; having the qualities of sulphur or brimstone; impregnated with sulphur; sulphurous.
- In botany, sulphur-colored; of a pale bright yellow.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Consisting of sulphur; having the qualities of sulphur, or brimstone; impregnated with sulphur.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective dated
from Wiktionary, Creative Commons Attribution/Share-Alike License
Pg. 114 and 115, "sulphureous" is also spelled "sulphurous" on page 44.
The three died after the lightning bolt shattered the main top mast "which acted as its conductor and issued a most sulphureous stench", and "every man on deck knocked down, many of whom cried out their leg or arm were broke from the violence of the shock".
Masses of the slimy and sulphureous substance called naphtha, which floated idly on the sluggish and sullen waves, supplied those rolling clouds with new vapours, and afforded awful testimony to the truth of the Mosaic history.
Glad he was when, at length, after this wild race, he beheld the holy man who had led it standing in front of a cavern, with a large torch in his hand, composed of a piece of wood dipped in bitumen, which cast a broad and flickering light, and emitted a strong sulphureous smell.
Or else it may be full of wind, or a sulphureous innate fire, as our meteorologists inform us, which sometimes breaking out, causeth those horrible earthquakes, which are so frequent in these days in Japan, China, and oftentimes swallow up whole cities.
 At Barrey, an isle in the Severn mouth, they seem to hear a smith's forge; so at Lipari, and those sulphureous isles, and many such like, which Olaus speaks of in the continent of Scandia, and those northern countries.
The cloud was charged with sulphureous vapour, which was afterwards to burst in thunder. —
It was filled with clear water very near the boiling point, and emitted clouds of steam with a strong sulphureous odour.
For hundreds of yards around where there were banks of reddish and white clay used for whitewash, it was still so hot close to the surface that the hand could hardly bear to be held in cracks a few inches deep, and from which arose a strong sulphureous vapour.
Next day, our road, in some places, lay along precipices, which over-hang the Nera or Nar, celebrated in antiquity for its white foam, and the sulphureous quality of its waters.