a plan, as of a room, taken as seen from above but having the outlines of some upper surface, as a vault or compartmented ceiling, projected downward upon it so that a part that would appear at the right when seen from below appears on the plan at the left.
verb (used with object) 1. to cast back (light, heat, sound, etc.) from a surface: The mirror reflected the light onto the wall. 2. to give back or show an image of; mirror. 3. (of an act or its result) to serve to cast or bring (credit, discredit, etc.) on its performer. 4. to reproduce; […]
noun 1. See under telescope (def 1). noun 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens set into one end of a tube and an adjustable eyepiece or combination of lenses set into the other end […]
noun 1. the act of reflecting, as in casting back a light or heat, mirroring, or giving back or showing an image; the state of being reflected in this way. 2. an image; representation; counterpart. 3. a fixing of the thoughts on something; careful consideration. 4. a thought occurring in consideration or meditation. 5. an […]
- Reflection coefficient
reflection coefficient n. Symbol ς A measure of the relative permeability of a particular membrane to a particular solute.