optical spectrum
The term 'optical spectrum' describes the range of visible light frequencies and is crucial in fields like physics, astronomy, and spectroscopy.
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Definition
B2Physics
(technical, academic)The range of wavelengths of electromagnetic radiation visible to the human eye, typically from 380 to 750 nanometers.
Example
- The optical spectrum includes all the colors seen in a rainbow.
C1Astronomy
(technical, academic)The distribution of light intensity or energy versus wavelength, including visible, ultraviolet, and infrared regions.
Example
- Astronomers study the optical spectrum to understand the composition of stars.
B2General
(technical)The array of colors produced when light is dispersed by a prism or diffraction grating.
Example
- When white light passes through a prism, it splits into an optical spectrum.
Similar
Terms that have similar or relatively close meanings to "optical spectrum":