caustic: a chemical substance that burns or destroys living
tissue.
yellocaust: the
yellow stain that certain chemical substances will leave behind after
burning and destroying living tissue.
Scientist 1: "Holy crap, you're missing some fingers and your hand is a
weird yellow colour, what happened?"
Scientist 2: "I was messing around in the
lab and then I slipped....yah it's all fun and games till someone puts there hand in the caustic chemical substance with the yellocaust side effect."