|Noah Webster's Dictionary|
1. (n.) A nonmetallic element occurring naturally in large quantities, either combined as in the sulphides (as pyrites) and sulphates (as gypsum), or native in volcanic regions, in vast beds mixed with gypsum and various earthy materials, from which it is melted out. Symbol S. Atomic weight 32. The specific gravity of ordinary octohedral sulphur is 2.05; of prismatic sulphur, 1.96.
2. (n.) Any one of numerous species of yellow or orange butterflies of the subfamily Pierinae; as, the clouded sulphur (Eurymus, / Colias, philodice), which is the common yellow butterfly of the Eastern United States.
Int. Standard Bible Encyclopedia
Sulphur (7 Occurrences)
Luke 17:29 but on the day that Lot went out from Sodom, it rained fire and sulphur from heaven, and destroyed all of them: (DBY RSV)
Revelation 9:17 And this was the appearance of the horses which I saw in my vision--and of their riders. The body-armour of the riders was red, blue and yellow; and the horses' heads were shaped like the heads of lions, while from their mouths there came fire and smoke and sulphur. (WEY RSV)
Revelation 9:18 By these three plagues a third part of mankind were destroyed--by the fire and the smoke, and by the sulphur which came from their mouths. (WEY RSV)
Revelation 14:10 he shall drink the wine of God's anger which stands ready, undiluted, in the cup of His fury, and he shall be tormented with fire and sulphur in the presence of the holy angels and of the Lamb. (WEY RSV)
Revelation 19:20 who had done the miracles in his presence with which he had led astray those who had received the mark of the Wild Beast, and those who worshipped his statue. Both of them were thrown alive into the Lake of fire that was all ablaze with sulphur. (WEY RSV)
Revelation 20:10 and the Devil, who had been leading them astray, was thrown into the Lake of fire and sulphur where the Wild Beast and the false Prophet were, and day and night they will suffer torture until the Ages of the Ages. (WEY RSV)
Job 18:15 It dwelleth in his tent -- out of his provender, Scattered over his habitation is sulphur. (YLT)