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Light

Definition: That portion of the electromagnetic spectrum to which the human eye is sensitive. Light is about 400 to 800 nanometers in wavelength, i.e., between the ultraviolet and infrared spectra.
Notes: non-ionizing; differentiate from LIGHTING (the environment); /ther use = PHOTOTHERAPY (coord disease with /ther, not /radiother) but consider also PHOTOCHEMOTHERAPY & ULTRAVIOLET THERAPY; as radiation: TN 158; light scattering = SCATTERING, RADIATION (IM)
Also Called: Light, Visible

Light Categories.
Luminescence - The property of giving off light without emitting a corresponding degree of heat. It includes the luminescence of inorganic matter or the bioluminescence of human matter, invertebrates and other living organisms. For the luminescence of bacteria, LUMINESCENCE, BACTERIAL is available.

Light Definitions and Terms

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