Revelation 8:11
and a third part of the waters became as wormwood: and many men died of the waters, because they were bitter.
Hebrews 12:15
looking to it, least there be any one falling short of the grace of God, least any root of bitterness springing up should be troublesome, and by it many be defiled:
Revelation 8:7
And the first angel sounded his trumpet, and there was hail and fire mingled with blood, and it was cast down upon the earth: and a third part of the trees and every green herb was burnt up.
Treasury of Scripture Knowledge
Summary
And the name of the star is called Wormwood: and the third part of the waters became wormwood; and many men died of the waters, because they were made bitter.
Wormwood
Bible References
Wormwood
Hebrews 12:15
looking to it, least there be any one falling short of the grace of God, least any root of bitterness springing up should be troublesome, and by it many be defiled: