Eventually, I hope to link up glossary terms with corresponding pages, but for now, please use this glossary in combination with the search feature.
Joule: a measurement used in laser energy output, usually expressed per square centimeter (cm2)
J-Tip: a prescription device using a needle-free injector to deliver anesthetics into the skin. Instead of a needle, it uses pressurized gas to inject anesthetics into the skin. Sometimes stylized as JTip.