Unless you sport a pair of terribly unfashionable onion goggles, chances are you’ve fallen prey to the stinging sensation caused by our dreaded Word of the Day. When onions are cut, 1-propenesulfenic acid releases vapors that actually cause a chemical reaction in your eyes, creating sulfuric acid.

This compound burns like crazy, causing tear production to wash the irritant out. But next time you’re singin’ the sulfenic acid blues in the kitchen, don’t turn on the waterworks just yet. The link below should provide some extra insight.

Use today’s Word of the Day: Why Do Onions Make You Cry?