Dictionary - English
light
- Physics Electromagnetic radiation that has a wavelength in the range from about 4,000 (violet) to about 7,700 (red) angstroms and may be perceived by the normal unaided human eye. from The American Heritage® Dictionary of the English Language, 4th Edition
- Physics Electromagnetic radiation of any wavelength. from The American Heritage® Dictionary of the English Language, 4th Edition / listen
- The sensation of perceiving light; brightness: a sudden light that made me blink. from The American Heritage® Dictionary of the English Language, 4th Edition / listen
- A source of light, especially a lamp, a lantern, or an electric lighting fixture: Turn out the lights when you leave. from The American Heritage® Dictionary of the English Language, 4th Edition
- The illumination derived from a source of light: by the light of the moon. from The American Heritage® Dictionary of the English Language, 4th Edition / listen
