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Redundant vs Residual - What's the difference?

redundant | residual |

As adjectives the difference between redundant and residual

is that redundant is superfluous; exceeding what is necessary while residual is of, relating to, or remaining as a residue; left over.

As a noun residual is

a remainder left over at the end of some process.

redundant

English

Adjective

(en adjective)
  • Superfluous; exceeding what is necessary.
  • Repetitive or needlessly wordy.
  • (chiefly, British) Dismissed from employment because no longer needed; as in "rendered redundant".
  • Duplicating or able to duplicate the function of another component of a system, providing back-up in the event the other component fails.
  • * 2013 , Tom Denton, Automobile Electrical and Electronic Systems , page 142:
    • The two lines are mainly used for redundant and therefore fault-tolerant message transmission, but they can also transmit different messages.

    Antonyms

    * non-redundant

    Related terms

    * redound * redundance * redundancy

    External links

    * * * ----

    residual

    English

    Adjective

    (-)
  • Of, relating to, or remaining as a residue; left over.

    • Synonyms

    * residuary

    Noun

    (en noun)
  • A remainder left over at the end of some process.
  • (in the plural) Payments made to performers, writers and directors when a recorded broadcast is repeated.