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Duplicate vs Equivalent - What's the difference?

duplicate | equivalent |

As adjectives the difference between duplicate and equivalent

is that duplicate is being the same as another; identical. This may exclude the first identical item in a series, but usage is inconsistent while equivalent is similar or identical in value, meaning or effect; virtually equal.

As verbs the difference between duplicate and equivalent

is that duplicate is to make a copy of while equivalent is to make equivalent to; to equal.

As nouns the difference between duplicate and equivalent

is that duplicate is one that resembles or corresponds to another; an identical copy while equivalent is anything that is virtually equal to something else, or has the same value, force, etc.

duplicate

English

Adjective

(-)
  • being the same as another; identical. This may exclude the first identical item in a series, but usage is inconsistent.
    • This is a duplicate entry.

    Verb

    (duplicat)
  • to make a copy of
    • If we duplicate the information, are we really accomplishing much?
  • to do repeatedly; to do again
    • You don't need to duplicate my efforts.
  • to produce something equal to
    • He found it hard to duplicate the skills of his wife.

    See also

    * repeat

    Noun

    (en noun)
  • One that resembles or corresponds to another; an identical copy.
    • This is a duplicate , but a very good replica.
  • * Sir W. Temple
    • I send a duplicate both of it and my last dispatch.
  • (legal) An original instrument repeated; a document which is the same as another in all essential particulars, and differing from a mere copy in having all the validity of an original.
    • (Burrill)
  • The game of duplicate bridge.
  • * 1999 , Matthew Granovetter, Murder at the Bridge Table (page 6)
    • The momentary madness which infects bridge players occurs frequently at rubber bridge and duplicate ; and though it rarely results in murder, it often terminates marriages and close friendships
  • The game of duplicate Scrabble.

    • Synonyms

    * reproduction

    equivalent

    English

    (wikipedia equivalent)

    Alternative forms

    * (archaic)

    Adjective

    (en adjective)
  • Similar or identical in value, meaning or effect; virtually equal.
  • * South
    • For now to serve and to minister, servile and ministerial, are terms equivalent .
  • * {{quote-magazine, date=2012-03
    • , author=(Henry Petroski) , title=Opening Doors , volume=100, issue=2, page=112-3 , magazine= citation , passage=A doorknob of whatever roundish shape is effectively a continuum of levers, with the axis of the latching mechanism—known as the spindle—being the fulcrum about which the turning takes place. Applying a force tangential to the knob is essentially equivalent to applying one perpendicular to a radial line defining the lever.}}
  • (mathematics) Of two sets, having a one-to-one correspondence; equinumerous.
  • * Comprehensive MCQ's in Mathematics , page 3:
    • Finite sets A and B are equivalent sets only when n''(A) = ''n''(B) ''i.e. , the number of elements in A and B are equal.
  • * 1950 , E. Kamke, Theory of Sets , page 16:
    • All enumerable sets are equivalent to each other, but not to any finite set.
  • * 2000 , N. L. Carothers, Real Analysis , page 18:
    • Equivalent' sets should, by rights, have the same "number" of elements. For this reason we sometimes say that '''equivalent sets have the same ''cardinality .
  • * 2006 , Joseph Breuer, Introduction to the Theory of Sets , page 41:
    • The equivalence theorem: If both M is equivalent''' to a subset N1 of N and N is '''equivalent''' to a subset M1 of M, then the sets M and N are '''equivalent to each other.
  • (mathematics) Relating to the corresponding elements of an equivalence relation.
  • (chemistry) Having the equal ability to combine.
  • (cartography) Of a map, equal-area.
  • (geometry) Equal in measure but not admitting of superposition; applied to magnitudes.
    • A square may be equivalent to a triangle.

    Usage notes

    * (en-usage-equal)

    Derived terms

    * (l)

    Noun

    (en noun)
  • Anything that is virtually equal to something else, or has the same value, force, etc.
  • * Macaulay
    • He owned that, if the Test Act were repealed, the Protestants were entitled to some equivalent .
  • (chemistry) An equivalent weight.

    • Verb

    (en verb)
  • To make equivalent to; to equal.
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