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Underground vs Null - What's the difference?

underground | null |

As a proper noun underground

is (uk|rail transport) the london underground.

As a noun null is

zero, nil; the cardinal number before einn.

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 ----

    null

    English

    Noun

    (en noun)
  • A non-existent or empty value or set of values.
  • Zero]] quantity of [[expression, expressions; nothing.
    • (Francis Bacon)
  • Something that has no force or meaning.
  • (computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
  • (computing) the attribute of an entity that has no valid value.
    • Since no date of birth was entered for the patient, his age is null .
  • One of the beads in nulled work.
  • (statistics) null hypothesis

    • Adjective

    (en adjective)
  • Having no validity, "null and void"
  • insignificant
  • * 1924 , Marcel Proust, Within a Budding Grove :
    • In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more null than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise.
  • absent or non-existent
  • (mathematics) of the null set
  • (mathematics) of or comprising a value of precisely zero
  • (genetics, of a mutation) causing a complete loss of gene function, amorphic.

    • Derived terms

    * nullity

    Verb

    (en verb)
  • to nullify; to annul
    • (Milton)

    Related terms

    * annul

    See also

    * nil ----