Science / Weather / Visible Light: The portion of the electromagnetic spectrum that can be detected by the human eye. It travels at the same speed as all other radiation, that is at 186,000 mile per second. It has a wave length longer than ultraviolet light and shorter than x-rays.
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Light Noun Synonyms: illumination, brightness, daylight, lamplight, candlelight, firelight, gaslight, torchlight, starlight, moonlight, sunlight, gegenschein, counterglow
Light Verb Synonyms: turn on, switch on, put on
Light Adjective Synonyms: ignite, set alight, set or put a match to, kindle, burn, touch off, set fire to, fire
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Visible Adjective Synonyms: seeable, perceivable, perceptible, discernible, detectable, discoverable, noticeable, unmistakable or unmistakeable, clear, obvious, observable, visual
Visible Noun Synonyms: obvious, conspicuous, evident, apparent, prominent, manifest, distinct, patent, well-defined, identifiable
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Entertainment / Literature / Lighting: The placement, type, direction, and brightness or dimness of lights used on stage. Often lighting can establish mood, highlight specific characters, actions, or scenes, or serve symbolic purposes. MORE
Technology / Television (TV) / Lighting Color: Light may be 'colored' by placing a filter or gelatin in front of a light source. MORE
Technology / Television (TV) / Lighting Diffusion: The hardness or softness of a light source. Hard light casts a sharp, definite shadow. MORE
Life Style / Painting / Lightfastness: No loss of color due to exposure to light, heat or weathering. MORE