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Backup vs X - What's the difference?

backup | x |

As a noun backup

is a reserve or substitute.

As an adjective backup

is standby, reserve or extra.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

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.

    x

    Translingual

    {{Basic Latin character info, previous=W, next=Y, image= (wikipedia X)

    Etymology 1

    Letter

  • The twenty-fourth letter of the .
    • See also
    (Latn-script)

    Cardinal number

    (mul-number)
  • The number 10.

    • Symbol

    (mul-symbol)
  • A symbol of the IPA, representing a voiceless uvular fricative.
  • strike

    • Etymology 2

    Possibly from skull and crossbones

    Symbol

    (mul-symbol)
    • Derived terms
    * XXX

    See also

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