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Shadow vs Underground - What's the difference?

shadow | underground |

As a noun shadow

is a dark image projected onto a surface where light (or other radiation) is blocked by the shade of an object.

As a verb shadow

is to block light or radio transmission.

As a proper noun underground is

(uk|rail transport) the london underground.

shadow

English

(wikipedia shadow)

Noun

(en noun)
  • A dark image projected onto a surface where light (or other radiation) is blocked by the shade of an object.
  • *
    • , title=(The Celebrity), chapter=1 , passage=The stories did not seem to me to touch life. […] They left me with the impression of a well-delivered stereopticon lecture, with characters about as life-like as the shadows on the screen, and whisking on and off, at the mercy of the operator.}}
  • Relative darkness, especially as caused by the interruption of light; gloom, obscurity.
  • * Denham
    • Night's sable shadows from the ocean rise.
  • * Spenser
    • In secret shadow from the sunny ray, / On a sweet bed of lilies softly laid.
  • (obsolete) A reflected image, as in a mirror or in water.
    • (Shakespeare)
  • That which looms as though a shadow.
  • *
    • Hepaticology, outside the temperate parts of the Northern Hemisphere, still lies deep in the shadow' cast by that ultimate "closet taxonomist," Franz Stephani—a ghost whose ' shadow falls over us all.
  • A small degree; a shade.
  • * Bible, James i. 17
    • no variableness, neither shadow of turning
  • An imperfect and faint representation.
    • He came back from war the shadow of a man.
  • * Bible, Hebrews x. 1
    • the law having a shadow of good things to come
  • * Milton
    • [types] and shadows of that destined seed
  • One who secretly or furtively follows another.
  • * Milton
    • Sin and her shadow Death
  • A type of lettering form of word processors that makes a cubic effect.
  • An influence, especially a pervasive or a negative one.
  • *
  • A spirit; a ghost; a shade.
  • * Shakespeare
    • Hence, horrible shadow !
  • (obsolete, Latinism) An uninvited guest accompanying one who was invited.
    • (Nares)

    Usage notes

    * A person (or object) is said to "cast", "have", or "throw" a shadow if that shadow is caused by the person (either literally, by eclipsing a light source, or figuratively). The shadow may then be described as the shadow "cast" or "thrown" by the person, or as the shadow "of" the person, or simply as the person's shadow.

    Derived terms

    * backshadowing * foreshadowing * rain shadow * shadow acting * shadow boxing * shadow cabinet * shadow government * shadow minister * shadow play * shadow price * sideshadowing * unshadow

    Verb

    (en verb)
  • To block light or radio transmission.
    • Looks like that cloud's going to shadow us.
  • (espionage) To secretly or discreetly track or follow another, to keep under surveillance.
  • To accompany a professional during the working day, so as to learn about an occupation one intends to take up.
  • (programming) To make an identifier, usually a variable, inaccessible by declaring another of the same name within the scope of the first.
  • (computing) To apply the shadowing process to (the contents of ROM).

    • Derived terms

    * overshadow

    underground

    English

    Adjective

    (en adjective)
  • (label) Below the ground; below the surface of the Earth.
  • *{{quote-magazine, date=2014-06-14, volume=411, issue=8891, magazine=(The Economist)
    • , title= It's a gas , passage=One of the hidden glories of Victorian engineering is proper drains. Isolating a city’s effluent and shipping it away in underground sewers has probably saved more lives than any medical procedure except vaccination.}}
  • (hidden)Hidden, furtive, secretive.
  • Of music, art, etc, outside the mainstream.

    • Synonyms

    * (below the ground) subterranean * (hidden) clandestine, hidden, hush-hush, secret * (outside the mainstream) avant-garde, unconventional

    Adverb

    (en adverb)
  • Below the ground.
    • The tunnel goes underground at this point.
  • Secretly.

    • Synonyms

    * (below the ground) below ground * (secretly) clandestinely, in secret, on the quiet

    Noun

    (en noun) (wikipedia underground)
  • (chiefly, British) An underground railway.
  • A movement or organisation of people who resist political convention.
  • A movement or organisation of people who resist artistic convention.

    • Synonyms

    * (underground railway) metro, (the underground railway of Paris), subway (US), Tube (British - the underground railway of London) * (movement or organisation of people who resist political convention) resistance * (movement or organisation of people who resist artistic convention) avant-garde, counter-culture

    Verb

    (en verb)
  • To route electricity distribution cables underground
  • * {{quote-book
    • , year=1962 , year_published=1998 , publisher=Island Press , editor=Carolyn Merchant , author=David Pesonen , title=Green Versus Gold: Sources in California's Environmental History , chapter=Battles Over Energy citation , isbn=9781559635806 , page=325 , passage=One is to underground where no other alternative will work, and this method should be used universally in urban regions as it now is in “downtown” sections.}}
  • * {{quote-book
    • , year=2004 , publisher=Transportation Research Board , editor=Transportation Research Board Committee on Utilities , author=Don L. Ivey and C. Paul Scott , title=Utilities and Roadside Safety , chapter=Solutions , volume_plain=State of the Art Report 9 citation , isbn=9780309094511 , page=9 , passage=Also, undergrounding' may not eliminate the potential for crashes with other roadside objects, such as trees, walls, buildings, and so forth. [...] When looking at the fesibility of ' undergrounding utilities, the complete roadside area and nearby adjacent properties should be evaluated for potential roadside obstructions or hazards.}}
  • * {{quote-book
    • , year=2006 , year_published= , publisher=CRC Press , author=Janes Northcote-Green, Robert Wilson , title=Control and Automation of Electrical Power Distribution Systems , chapter=Design, Construction and Operation of Distribution Systems, MV Networks citation , isbn=9780824726317 , page=110 , passage=The utility now wants the network to be undergrounded in the urban areas, which would mean substations with 33 kV distribution swtichgear.}}

    See also

    * underground railway * go underground ----