Definitions for "Light-emitting diode"
(LED). A semi-conductor light source that emits visible light or invisible infrared radiation.
n. A semiconductor chip that gives off visible or infrared light when activated.
A small semiconductor device that emits light as current flows through it. LEDs are often used as activity lights on computer peripherals such as hard disk drives and modems.
A display in the viewfinder of some cameras that gives you information about aperture and shutter speed settings or other exposure data.
A long-lasting illumination technology used for exit signs which requires very little power
Keywords:  tip, chip, tiny, match, smaller
a tiny chip, significantly smaller than a match tip