Light_Vocabulary

=Light Vocabulary=

Source: Wikipedia
 * Lighting:** (Verb). Is the deliberate application of light to achieve some aesthetic or practical effect.

Source: General Electric Glossary
 * Light:**(Noun). Radiant energy that can be sensed or seen by the human eye. Visible light is measured in lumens.

Source: Pegasus Lighting
 * Louver:** (Noun). A type of “screen” made of translucent or opaque material and geometrically designed to prevent lamps from being viewed directly within a given angle. Louvers are intended to minimize direct or indirect glare.

Source: Pegasus Lighting
 * Glare:** (Noun). Direct glare is caused by light coming directly to the eye from a light source. Indirect glare is light reflected from a surface in the direction of the eye. Both can harm vision and cause visual discomfort or disability.

Source: Pegasus Lighting
 * Light Fixture:** (Noun). A complete lighting unit consisting of a lamp (light bulb) or lamps, a housing, and a connection to the source of electrical power.

Source: Pegasus Lighting
 * Wall Sconces:** (Noun). A luminaire (light fixture) affixed to the wall and usually decorative in nature.

Source: Merriam Webster
 * Fixture:** (Noun). Something that is fixed or attached (as to a building) as a permanent appendage or as a structural part.

Source: Wikipedia
 * Recessed Lighting**: (Noun). Is a light fixture that is installed into a hollow opening in a ceiling. When installed it appears to have light shining from a hole in the ceiling, concentrating the light in a downward direction as a broad floodlight or narrow spotlight.

Source: Merriam Webster
 * Floodlight:** (Noun). A lighting unit for projecting a broad beam of light.

Source: Wikipedia
 * Luminous Efficacy:** (Noun). Is a measure of how well a light source produces visible light.