The meaning of LIGHT is something that makes vision possible. How to use light in a sentence. Synonym Discussion of Light.

LIGHT definition: something that makes things visible or affords illumination. See examples of light used in a sentence.

Light, visible light, or visible radiation is electromagnetic radiation that can be perceived by the human eye. [1][2] Visible light spans the visible spectrum and is usually defined as having wavelengths in …

Nov 25, 2025 · Light is electromagnetic radiation that can be detected by the human eye. Electromagnetic radiation occurs over an extremely wide range of wavelengths, from gamma rays …

LIGHT meaning: 1. the brightness that comes from the sun, fire, etc. and from electrical devices, and that allows…. Learn more.

Define light. light synonyms, light pronunciation, light translation, English dictionary definition of light. n. 1. Physics a. Electromagnetic radiation that is visible, perceivable by the normal human eye as …

Light is the brightness that lets you see things. Light comes from sources such as the sun, moon, lamps, and fire. Cracks of light filtered through the shutters. Light and water in embassy buildings were cut …

Oct 3, 2025 · Explore the definition of the word "light," as well as its versatile usage, synonyms, examples, etymology, and more.

Definition of light noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

the brightness that makes things visible, made up of a form of radiation to which the eyes react:[uncountable] The sun gives off light. [countable] something giving off such brightness, as the …