Image.
ETYM Old Eng. glent.
1. A momentary brightness; SYN. flash.
2. A momentary flash of light; SYN. flicker, spark.
That ratio of power reflected to the incident power at a connector junction or other or other component or device.
ETYM Latin reflexio: cf. French réflexion. Related to Riflect.
1. The ability to reflect beams or rays; SYN. reflexion, reflectivity.
2. The image of something as reflected by a mirror (or other reflective material).
3. The phenomenon of a propagating wave (light or sound) being thrown back from a surface; SYN. reflexion.
Chiefly British variant of reflection