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   shadow

   /ˈʃadəʊ/

   noun

   • 1. a dark area or shape produced by a body coming between rays of light and a surface: "trees cast long shadows" Similar silhouetteoutlineshapecontourprofilepenumbraumbra
   • ▪ partial or complete darkness, especially as produced by a body coming between rays of light and a surface: "the north side of the cathedral was deep in shadow" Similar shadeshadowinessdarknessgathering darknessdimnesssemi-darknesstwilightgloomgloominessmurkinessmurkobscurityliterary:gloamingrare:tenebrosityumbrage
   • ▪ the shaded part of a picture.
   • ▪ a dark patch or area on a surface: "her face was pale and there were shadows under her eyes"
   • ▪ a region of opacity on a radiograph: "shadows on his lungs"
   • 2. used in reference to proximity, ominous oppressiveness, or sadness and gloom: "the shadow of war fell across Europe" Similar cloudblack cloudpallgloomgloominessblightthreat
   • ▪ used in reference to something insubstantial or fleeting: "a freedom that was more shadow than substance"
   • ▪ used in reference to a position of relative inferiority or obscurity: "he lived in the shadow of his father"
   • ▪ the slightest trace of something: "she knew without a shadow of a doubt that he was lying" Similar slightest bittracescrapshredcrumbparticleounceatomiotascintillajotwhitgraintittlejot or tittlestiminformal:smidgensmidgetadarchaic:scantlingscrupletracehintsuggestionsuspicionghostglimmerflicker
   • ▪ a weak or inferior remnant or version of something: "this fine-looking, commanding man had become a shadow of his former self" Similar inferior versionpoor imitationapologytravestyghostspectrephantomremnant
   • ▪ an expression of perplexity or sadness: "a shadow crossed Maria's face"
   • 3. an inseparable attendant or companion: "her faithful shadow, a Yorkshire terrier called Heathcliffe" Similar constant companioninseparable companionalter egosecond selfSiamese twinclose friendbosom friendintimateinformal:bosom palrare:fidus Achates
   • ▪ a person secretly following and observing another: "no matter where Johnson went, his shadow stayed with him" Similar followerinformal:tail
   • ▪ a person that accompanies someone in their daily activities at work in order to gain experience at or insight into a job.
   • ▪ the opposition counterpart of a government minister or ministry: British "the shadow Chancellor"
   • 4. short for eyeshadow

   verb

   • 1. envelop in shadow; cast a shadow over: "the market is shadowed by St Margaret's church" Similar overshadowcast a shadow overenvelop in shadowshadeblock off the light todarkendim
   • 2. follow and observe (someone) closely and secretly: "he had been up all night shadowing a team of poachers" Similar followtrailtrackdog someone's footstepskeep watch onstalkpursuehuntinformal:tailkeep tabs onkeep a tab on
   • ▪ (of an opposition politician) be the counterpart of (a government minister or a ministry): British "he formerly helped to shadow the Foreign Office"
   • ▪ accompany (someone) in their daily activities at work in order to gain experience at or insight into a job: "the placement might involve shadowing a manager"

   Word Origin Old Englishscead(u)we (noun), oblique case of sceadu (see shade), sceadwian ‘screen or shield from attack’, of Germanic origin; related to Dutch schaduw and German Schatten (nouns), from an Indo-European root shared by Greek skotos ‘darkness’.

   Derivatives

   • 1. shadower noun
   • 2. shadowless adjective

   Scrabble Points: 13

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2. People also ask

   What is a cross section of a shadow?

   • It occupies all of the three-dimensional volume behind an object with light in front of it. The cross section of a shadow is a two- dimensional silhouette, or a reverse projection of the object blocking the light. A point source of light casts only a simple shadow, called an " umbra ".

   Shadow - Wikipedia

   en.wikipedia.org/wiki/Shadow

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   How are shadows formed?

   • Shadows are formed when light cannot penetrate an object. There are three regions in a shadow: umbra, penumbra, and antumbra. Not all shadows are dark; some can be colored depending on the source of light. 1.

   How Are Shadows Formed? | Smore Science Magazine

   www.smorescience.com/how-are-shadows-formed/

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   What is a shadow in physics?

   • A shadow is a dark area where light from a light source is blocked by an object. It occupies all of the three-dimensional volume behind an object with light in front of it. The cross section of a shadow is a two- dimensional silhouette, or a reverse projection of the object blocking the light.

   Shadow - Wikipedia

   en.wikipedia.org/wiki/Shadow

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   What makes a shadow a dark shape?

   • A shadow is a dark shape made when light is stopped or blocked by an object or a person. Some objects are opaque such as stone, metal and wood. This means light doesn't travel through them. Light bounces back off the object. On the other side of the object a shadow is formed. Watch how light and objects work together to create shadows.

   Light and shadows - BBC Bitesize

   www.bbc.co.uk/bitesize/topics/z3nnb9q/articles/z9wm7yc

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   How do light and Shadows work?

   • Light and shadows are explored in this short clip. When an opaque object is placed in front of a light source, it prevents the light from passing through. This of light creates a dark shape on the surface behind it. This is called a shadow.

   Why are shadows made? - BBC Bitesize

   www.bbc.co.uk/bitesize/topics/z3nnb9q/articles/zmn3ydm

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   What does a shadow look like?

   • Shadows normally take up the entirety of the three-dimensional volume of the space behind the object. If we took a look at a cross-section of a shadow, we would see that it looks like a flat silhouette. A shadow is a reverse projection of whatever object is placed in front of a light source.

   What Exactly Are Shadows? - WorldAtlas

   www.worldatlas.com/what-exactly-are-shadows.html

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3. www.bbc.co.uk › bitesize › topicsLight and shadows - BBC Bitesize

   www.bbc.co.uk › bitesize › topics

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   A shadow is a dark shape made when light is stopped or blocked by an object or a person. Some objects are opaque such as stone, metal and wood. This means light...

4. en.wikipedia.org › wiki › ShadowShadow - Wikipedia

   en.wikipedia.org › wiki › Shadow

   • Cached

   A shadow is a dark area where light from a light source is blocked by an object. Learn about the different types of shadows, such as umbra, penumbra and antumbra, and how they vary depending on the light source, the object, the distance and the time of day.

5. www.bbc.co.uk › bitesize › topicsWhy are shadows made? - BBC Bitesize

   www.bbc.co.uk › bitesize › topics

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   Learn how shadows are created by the absence of light and how they change in size and shape depending on the position of the light source and the object. Explore transparent, translucent and opaque objects and try some fun activities with shadow puppets and quizzes.

6. Videos

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     youtube.com

     What Is SHADOW WORK? [5 Effective Ways To Do It!]

     9 Jun 2020

     1.1M views

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     4:47

     youtube.com

     Light and Shadows, How are Shadows formed, What is a Shadow? Shadow, Transparent and Opaque Objects

     19 Sep 2021

     158K views

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     3:35

     youtube.com

     Light and Shadows | Types of Light | How are Shadows formed | Video for Kids

     2 Oct 2020

     751.7K views

   View all

7. www.worldatlas.com › what-exactly-are-shadowsWhat Exactly Are Shadows? - WorldAtlas

   www.worldatlas.com › what-exactly-are-shadows

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   Jun 11, 2020 · Learn how shadows are formed by opaque objects that block light from a source. Discover the different types of shadows, such as umbra, penumbra, and antumbra, and how they change with light diffusion and sources.

8. www.science-sparks.com › what-is-a-shadowWhat is a shadow? - Science Sparks

   www.science-sparks.com › what-is-a-shadow

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   Feb 7, 2022 · Learn how shadows are formed when light hits an object it cannot travel through. Explore the uses of shadows with fun crafts and investigations.

9. www.bbc.co.uk › teach › class-clips-videoScience KS2: How are shadows made? - BBC Teach

   www.bbc.co.uk › teach › class-clips-video

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   A shadow forms when an opaque or non-transparent object blocks light from passing through and reaching a surface on the other side. This film explains how...

10. www.smorescience.com › how-are-shadows-formedHow Are Shadows Formed? - Smore Science Magazine

    www.smorescience.com › how-are-shadows-formed

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    Oct 8, 2024 · Shadows are formed when light cannot penetrate an object. There are three regions in a shadow: umbra, penumbra, and antumbra. Not all shadows are dark; some can be colored depending on the source of light.