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Test vs Backup - What's the difference?

test | backup |

As nouns the difference between test and backup

is that test is while backup is a reserve or substitute.

As an adjective backup is

standby, reserve or extra.

test

English

Etymology 1

From (etyl) ; see terra, thirst.

Noun

(en noun)
  • A cupel or cupelling hearth in which precious metals are melted for trial and refinement.
  • A , trial.
  • * {{quote-magazine, year=2012, month=March-April
  • , author=Colin Allen , title=Do I See What You See? , volume=100, issue=2, page=168 , magazine=(American Scientist) citation , passage=Numerous experimental tests and other observations have been offered in favor of animal mind reading, and although many scientists are skeptical, others assert that humans are not the only species capable of representing what others do and don’t perceive and know.}}
  • (academia) An examination, given often during the academic term.
  • A session in which a product or piece of equipment is examined under everyday or extreme conditions to evaluate its durability, etc.
  • A Test match.
  • (marine biology) The external calciferous shell, or endoskeleton, of an echinoderm, e.g. sand dollars]] and sea urchins.
  • (botany) Testa; seed coat.
  • Judgment; distinction; discrimination.
  • * Dryden
  • Who would excel, when few can make a test / Betwixt indifferent writing and the best?
    Synonyms
    * (challenge) challenge, trial * (sense) quiz, examination
    Antonyms
    * (challenge) breeze * (sense) recess
    Derived terms
    * acid test * babysitter test * blood test * flame test * inkblot test * litmus test * nose test * Rorschach test * smell test * smoke test * sniff test * stress test * test case * tester * test tube
    Descendants
    * German: (l) * Dutch: (l)

    Verb

    (en verb)
  • To refine (gold, silver, etc.) in a test or cupel; to subject to cupellation.
  • To .
  • Climbing the mountain tested our stamina.
  • To put to the proof; to prove the truth, genuineness, or quality of by experiment, or by some principle or standard; to try.
  • to test''' the soundness of a principle; to '''test the validity of an argument
  • * Washington
  • Experience is the surest standard by which to test the real tendency of the existing constitution.
  • (academics) To administer or assign an examination, often given during the academic term, to (somebody).
  • To place a product or piece of equipment under everyday and/or extreme conditions and examine it for its durability, etc.
  • * {{quote-magazine, year=2013, month=May-June, author= Charles T. Ambrose
  • , title= Alzheimer’s Disease , volume=101, issue=3, page=200, magazine=(American Scientist) , passage=Similar studies of rats have employed four different intracranial resorbable, slow sustained release systems— […]. Such a slow-release device containing angiogenic factors could be placed on the pia mater covering the cerebral cortex and tested in persons with senile dementia in long term studies.}}
  • (copulative) To be shown to be by test.
  • (chemistry) To examine or try, as by the use of some reagent.
  • to test a solution by litmus paper
    Descendants
    * German: (l)

    Etymology 2

    From (etyl) tester, from (etyl) .

    Noun

    (en noun)
  • (obsolete) A witness.
  • * Ld. Berners
  • Prelates and great lords of England, who were for the more surety tests of that deed.

    Verb

    (en verb)
  • (obsolete) To make a testament, or will.
  • 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.