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- DictionaryLight/līt/
noun
- 1. the natural agent that stimulates sight and makes things visible: "the light of the sun"
- 2. an expression in someone's eyes indicating a particular emotion or mood: "a shrewd light entered his eyes"
verb
- 1. provide with light or lighting; illuminate: "the room was lighted by a number of small lamps"
- 2. make (something) start burning; ignite: "Allen gathered sticks and lit a fire"
adjective
- 1. having a considerable or sufficient amount of natural light; not dark: "the bedrooms are light and airy"
- 2. (of a color) pale: "her eyes were light blue"
Light, visible light, or visible radiation is electromagnetic radiation that can be perceived by the human eye. [1] Visible light spans the visible spectrum and is usually defined as having wavelengths in the range of 400–700 nanometres (nm), corresponding to frequencies of 750–420 terahertz.
Definitions of light. noun. (physics) electromagnetic radiation that can produce a visual sensation. “the light was filtered through a soft glass window” synonyms: visible light, visible radiation. see more. noun. the quality of being luminous; emitting or reflecting light.
LIGHT meaning: 1. the brightness that shines from the sun, from fire, or from electrical equipment, allowing you…. Learn more.
light, That portion of the electromagnetic spectrum visible to the human eye. It ranges from the red end to the violet end of the spectrum, with wavelengths from 700 to 400 nanometres and frequencies from 4.3 × 10 14 to 7.5 × 10 14 Hz.
Light definition: something that makes things visible or affords illumination. See examples of LIGHT used in a sentence.
Definition of light noun from the Oxford Advanced Learner's Dictionary. light. noun. /laɪt/ Idioms. from sun/lamps. [uncountable] the energy from the sun, a lamp, etc. that makes it possible to see things. bright/dim light. a room with good natural light. White paint reflects the light.
Light definition: something that makes things visible or affords illumination. See examples of LIGHT used in a sentence.
A guide to waves, particles, colour and more - BBC Science Focus Magazine.
UK /lʌɪt/ noun 1. (mass noun) the natural agent that stimulates sight and makes things visible the light of the sun (in singular) the street lamps shed a faint light into the room (count noun) a source of illumination, especially an electric lamp a light came on in his room lights decorative illuminations Christmas lights usually lights (c...
The natural agent which emanates from the sun, an intensely heated object, a lamp, etc., and stimulates sight (now recognized as electromagnetic radiation: see sense I.1a.ii); the medium or condition of space in which this is present and in which vision is possible (opposed to darkness).
