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1. Dictionary

   light

   /lʌɪt/

   noun

   • 1. the natural agent that stimulates sight and makes things visible: "the light of the sun" Similar illuminationbrightnessluminescenceluminosityshininggleaminggleambrillianceradiancelustreglowingglowblazeglaredazzleincandescencephosphorescencesunlightmoonlightstarlightlamplightfirelightelectric lightgaslightray of lightshaft of lightbeam of lightrare:effulgencerefulgencelambencyfulgurationdaylightlight of daynatural lightsunlightdaylight hoursdaytimedayhours of sunlightOpposite darknessdarknessnight-time
   • ▪ a source of illumination, especially an electric lamp: "a light came on in his room" Similar lampflashlightheadlightheadlampsidelightwall lightstreet lightfloodlightlanterncandletaperbeacontorchstandard lamp
   • ▪ decorative illuminations: "Christmas lights"
   • ▪ a traffic light: "turn right at the lights"
   • ▪ the amount or quality of light in a place: "the plant requires good light"
   • ▪ the light falling on the windows of a house.
   • 2. an expression in someone's eyes indicating a particular emotion or mood: "a shrewd light entered his eyes"
   • ▪ a person's opinions, standards, and abilities: "leaving the police to do the job according to their lights" Similar talentskillabilityintelligencemental powersintellectknowledgeunderstanding
   • 3. understanding of a problem or mystery; enlightenment: "she saw light dawn on the woman's face" Similar aspectangleslantapproachinterpretationviewpointstandpointcontextpoint of viewvantage pointappearanceguisehuecomplexionunderstandingenlightenmentilluminationcomprehensioninsightawarenessknowledgeelucidationexplanationclarificationedificationOpposite ignorance
   • ▪ spiritual illumination by divine truth.
   • 4. an area of something that is brighter or paler than its surroundings: "sunshine will brighten the natural lights in your hair"
   • 5. a device used to produce a flame or spark: "he asked me for a light" Similar match(cigarette) lighterflamesparksource of fire
   • 6. a window or opening to let light in: "the bedroom has a wide bay with leaded lights"
   • ▪ a perpendicular division of a mullioned window.
   • ▪ a pane of glass forming the roof or side of a greenhouse or the top of a cold frame.
   • 7. a person eminent in a particular sphere of activity: "volunteers have been the shining lights of the community" Similar expertauthoritymasterleaderguruleading lightguiding lightluminarycelebritydignitarypublic figureworthyVIPbig namestarinformal:bigwigbig gunbig shotbig noiseceleb
   • 8. (in a crossword puzzle) a blank space to be filled by a letter. British

   verb

   • 1. provide with light or lighting; illuminate: "the room was lit by a number of small lamps"
   • ▪ switch on (an electric light): "only one of the table lamps was lit"
   • ▪ provide a light for (someone) so that they can see where they are going: "I'll light you down to the gate"
   • 2. make (something) start burning; ignite: "Allen gathered sticks and lit a fire"
   • ▪ begin to burn; be ignited: "the gas wouldn't light properly"

   adjective

   • 1. having a considerable or sufficient amount of natural light; not dark: "the bedrooms are light and airy" Similar brightfull of lightwell litwell lightedwell illuminatedsunnysunshinyundimmedbrilliantOpposite darkgloomy
   • 2. (of a colour) pale: "her eyes were light blue" Similar light-colouredlight-tonedpalepale-colouredpastelpastel-colouredwhitishfadedfaintweakbleachedfairlight-colouredblondegoldenflaxenyellowOpposite darkdarkbrunette

   Word Origin Old Englishlēoht, līht (noun and adjective), līhtan (verb), of Germanic origin; related to Dutch licht and German Licht, from an Indo-European root shared by Greek leukos ‘white’ and Latin lux ‘light’.

   Derivatives

   • 1. lightish adjective
   • 2. lightless adjective

   Scrabble Points: 9

   • L

     1

   • I

     1

   • G

     2

   • H

     4

   • T

     1

   Powered by Oxford Dictionaries

   More definitions, origin and scrabble points

2. en.wikipedia.org › wiki › Coherence_(physics)Coherence (physics) - Wikipedia

   en.wikipedia.org › wiki › Coherence_(physics)

   • Cached

   3 days ago · As with light, transverse coherence (across the direction of propagation) of matter waves is controlled by collimation. Because light, at all frequencies, travels the same velocity, longitudinal and temporal coherence are linked; in matter waves these are independent.

3. Videos

   • 4:39

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     What Is Light?

     15 Oct 2015

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   • 2:49

     youtube.com

     What is Light - Physics (Simple Explanation)

     4 May 2017

     477K views

   • 4:13

     youtube.com

     Introduction to light | What is light ? Physics

     14 Apr 2021

     52.2K views

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4. en.wikipedia.org › wiki › Incandescent_light_bulbIncandescent light bulb - Wikipedia

   en.wikipedia.org › wiki › Incandescent_light_bulb

   • Cached

   3 days ago · An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a filament that is heated until it glows. The filament is enclosed in a glass bulb that is either evacuated or filled with inert gas to protect the filament from oxidation.

5. en.wikipedia.org › wiki › BlackBlack - Wikipedia

   en.wikipedia.org › wiki › Black

   • Cached

   2 days ago · In the visible spectrum, black is the result of the absorption of all light wavelengths. Black can be defined as the visual impression (or color) experienced when no visible light reaches the eye. Pigments or dyes that absorb light rather than reflect it back to the eye look black.

6. www.britannica.com › science › rainRain | Definition & Facts | Britannica

   www.britannica.com › science › rain

   • Cached

   4 days ago · Rain, precipitation of liquid water drops with diameters greater than 0.5 mm (0.02 inch). When the drops are smaller, the precipitation is usually called drizzle. Concentrations of raindrops typically range from 100 to 1,000 per cubic meter (3 to 30 per cubic foot); drizzle droplets usually are more numerous.

   • Author: The Editors of Encyclopaedia Britannica

7. www.sciencedaily.com › releases › 2024/05/240523111945New discoveries about the nature of light could improve methods...

   www.sciencedaily.com › releases › 2024/05/240523111945

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   May 23, 2024 · FULL STORY. Both literally and figuratively, light pervades the world. It banishes darkness, conveys telecommunications signals between continents and makes visible the invisible, from...

8. www.education.govt.nz › news › whanaketia-through-pain-andWhanaketia – through pain and trauma, from darkness to light

   www.education.govt.nz › news › whanaketia-through-pain-and

   • Cached

   2 days ago · The Royal Commission into Historical Abuse in State Care and in the Care of Faith-based Institutions has released its final landmark report Whanaketia – through pain and trauma, from darkness to light. The report represents the largest and most complex public inquiry ever held in Aotearoa New Zealand. After nearly 6 years of inquiry and the ...

9. edition.cnn.com › 2024/07/22 › politicsWhat to know about Kamala Harris, from prosecutor to politician |...

   edition.cnn.com › 2024/07/22 › politics

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   3 days ago · Her career path from prosecutor to politician has been defined by many firsts: She was the nation’s first Indian American senator and California’s first female and South Asian attorney general ...