Absence of Light

Darkness

Darkness is the condition resulting from a lack of illumination, or an absence of visible light.

Light

Light, visible light, or visible radiation is electromagnetic radiation that can be perceived by the human eye. Visible light spans the visible spectrum and is usually defined as having wavelengths in the range of 400–700 nanometers (nm), corresponding to frequencies of 750–420 terahertz. The visible band sits adjacent to the infrared and the ultraviolet, called collectively optical radiation.

absence

Noun

1. A state of being away or withdrawn from a place or from companionship
2. The period of someone being away. .mw-parser-output .defdate{font-size:smaller}

light

Noun

1. Electromagnetic radiation in the wavelength range visible to the human eye (about 400–750 nanometers): visible light.
2. Electromagnetic radiation in the wavelength range visible to the human eye or in nearby ranges (infrared or ultraviolet radiation).

Verb

1. To start (a fire).
2. To set fire to; to set burning.