A shaman is a tribal healer who can act as a medium between the visible world and the spirit world. Shamans are kind of a mix between priests and doctors. Like a priest, a shaman is a holy man who represents a religion â in this case, shamanism. Like a doctor, a shaman heals people â or at least claims to do so. If you're not into shamanism, you can use this term more generally: A really good teacher, especially one who works a little mysteriously, might be said to work like a shaman.
While the response is activated by the physics of light waves, the response itself is both physiological and psychological. Suppose that white light-i.e., light consisting of the full range of wavelengths within the visible light spectrum-is incident upon the retina.
Noun. 1. visible light - (physics) electromagnetic radiation that can produce a visual sensation; the light was filtered through a soft glass window. light, visible radiation. natural philosophy, physics-the science of matter and energy and their interactions; his favorite subject was physics.