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Backup vs Z - What's the difference?

backup | z |

As a noun backup

is a reserve or substitute.

As an adjective backup

is standby, reserve or extra.

As a letter z is

the letter z with a.

backup

English

Alternative forms

* back-up

Noun

(en noun)
  • A reserve or substitute.
    • If the goalkeeper is injured, we have a backup .
  • (computing) A copy of a file or record, stored separately from the original, that can be used to recover the original if it is destroyed or damaged.
    • After the power failure, we had to restore the database from backup .
  • An accumulation of material that halts the flow or movement of something.
    • The blockage caused a backup in the plumbing.
  • (law enforcement) reinforcements
    • He's got a gun - you better send for backup .

    Synonyms

    * (reserve ): reserve, stand-in, spare, substitute * (computing: copy of a file or record ): * (accumulation of material that halts flow ): block, blockage

    Adjective

    (-)
  • Standby, reserve or extra.
    • I am only a backup player.
  • (computing) That is intended as a backup.
    • Make a backup copy of that file.

    Synonyms

    * (reserve) extra, reserve, spare, standby

    Usage notes

    Back-up'' is an alternative spelling of backup. Both spellings are used as either a noun or an adjective. The verb ''back up is always spelled as two words and never with a hyphen.

    z

    Translingual

    {{character info/new, image= (wikipedia z)

    Letter

  • The twenty-sixth letter of the .

    • See also

    (Latn-script) * Greek .

    Symbol

    (Voiced alveolar fricative) (head)
    • f \left ( x , y , z \right ) = \sin x + \cos y + \tan z
    • x^2 + y^2 + z^2 = 1
    • \left \Vert z \right \Vert = z \cdot \bar z
    • P[Z > z] = 1 - P[Z < z] = 1 - \Phi(z)
  • Quantity along the third axis in a three-dimensional system, vertical when applicable.
  • voiced alveolar fricative

    • Derived terms

    ; Prefix zepto- * (zA) * (zcd) * (zK) * (zkg) * (zm) * (zmol) * (zs) * (zBq) * (zC) * (zF) * (zGy) * (zH) * (zHz) * (zJ) * (zkat) * (zlm) * (zlx) * (zN) * * (zPa) * (zrad) * (zS) * (zSv) * (zsr) * (zT) * (zV) * (zW) * (zWb)

    See also

    {{Letter , page=Z , NATO=Zulu , Morse=––·· , Character=Z , Braille=? }} Image:Latin Z.png, Capital and lowercase versions of Z , in normal and italic type Image:Fraktur letter Z.png, Uppercase and lowercase Z in Fraktur ----