The several colored and other rays of which light is composed, separated by the refraction of a prism or other means, and observed or studied either as spread out on a screen, by direct vision, by photography, or otherwise. See Illust. of Light, and Spectroscope.
A luminous appearance, or an image seen after the eye has been exposed to an intense light or a strongly illuminated object. When the object is colored, the image appears of the complementary color, as a green image seen after viewing a red wafer lying on white paper. Called also ocular spectrum.
Red is such an interesting color to correlate with emotion, because it's on both ends of the spectrum. On one end you have happiness, falling in love, infatuation with someone, passion, all that. On the other end, you've got obsession, jealousy, danger, fear, anger and frustration. Taylor Swift
The past, like the future, is indefinite and exists only as a spectrum of possibilities. Stephen Hawking
On the broad spectrum of solitude, I lean toward the extreme end: I work alone, as well as live alone, so I can pass an entire day without uttering so much as a hello to another human being. Sometimes a day's conversation consists of only five words, uttered at the local Starbucks: 'Large coffee with milk, please.' Caroline Knapp
To control the breathing is to control the mind. With different patterns of breathing, you can fall in love, you can hate someone, you can feel the whole spectrum of feelings just by changing your breathing. Marina Abramovic
A wingnut is someone on the far-right wing or far-left wing of the political spectrum - the professional partisans, the unhinged activists and the paranoid conspiracy theorists. They're the people who always try to divide rather than unite us. John Avlon