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Node vs Backup - What's the difference?

node | backup |

As an abbreviation node

is .

As a noun backup is

a reserve or substitute.

As an adjective backup is

standby, reserve or extra.

node

English

(wikipedia node)

Noun

(en noun)
  • A knot, knob, protuberance or swelling.
  • (astronomy) The point where the orbit of a planet, as viewed from the Sun, intersects the ecliptic. The ascending and descending nodes refer respectively to the points where the planet moves from S to N and N to S. The respective symbols are .
  • (botany) A stem node.
  • (computer networking) A computer or other device attached to a network.
  • (engineering) The point at which the lines of a funicular machine meet from different angular directions; -- called also knot.
  • (geometry) The point at which a curve crosses itself, being a double point of the curve. See Crunode, and Acnode.
  • (graph theory) A vertex or a leaf in a graph of a network, or other element in a data structure.
  • (medicine) A hard concretion or incrustation which forms upon bones attacked with rheumatism, gout, or syphilis; sometimes also, a swelling in the neighborhood of a joint.
  • (physics) A point along a standing wave where the wave has minimal amplitude.
  • (rare) The knot, intrigue, or plot of a piece.
  • (technical) A hole in the gnomon of a sundial, through which passes the ray of light which marks the hour of the day, the parallels of the Sun's declination, his place in the ecliptic, etc.
  • The word of interest in a KWIC, surrounded by left and right cotexts.

    • Derived terms

    * acnode * crunode * hardware node * leaf-node * tacnode

    Related terms

    * knot * nodal * noded * nodule

    Synonyms

    * (computer networking) host * (graph theory) vertex

    See also

    * neurode

    Anagrams

    * ----

    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.