Definition that contains red light
- rainbow an arc of colored light in the sky caused by refraction of the sun's rays by rain
- inflamed lighted with red light as if with flames
- ablaze lighted with red light as if with flames
- stoplight a red light on the rear of a motor vehicle that signals when the brakes are applied to slow or stop
- herschel English astronomer (born in Germany) who discovered infrared light and who catalogued the stars and discovered the planet Uranus (1738-1822)
- reddened lighted with red light as if with flames
- jaywalk cross the road at a red light
- tyndall effect the phenomenon in which light is scattered by very small particles in its path; it makes a beam of light visible; the scattered light is mainly blue
- ultramicroscope light microscope that uses scattered light to show particles too small to see with ordinary microscopes
- sir william herschel English astronomer (born in Germany) who discovered infrared light and who catalogued the stars and discovered the planet Uranus (1738-1822)