noun
- a pungent compound found in chili peppers that produces a burning sensation in the mouth and is used in pain-relief creams and spicy foods
Usage: uncountable; chemistry/food science term
Examples
- Capsaicin is the chemical responsible for the heat in jalapeños and habaneros.
- The capsaicin in hot peppers can trigger a burning sensation on your tongue.
- Some pain relief ointments contain capsaicin to help reduce muscle soreness.
- Capsaicin activates pain receptors in your mouth, which is why spicy food feels hot.
- Eating foods high in capsaicin may boost metabolism slightly.