equivalent

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See also: équivalent

English[edit]

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Alternative forms[edit]

Etymology[edit]

equi- +‎ -valent. From Latin aequivalentem, accusative singular of aequivalēns, present active participle of aequivaleō (I am equivalent, have equal power).

Pronunciation[edit]

Adjective[edit]

equivalent (comparative more equivalent, superlative most equivalent)

  1. Similar or identical in value, meaning or effect; virtually equal.
    • South
      For now to serve and to minister, servile and ministerial, are terms equivalent.
    • 2012 March 1, Henry Petroski, “Opening Doors”, American Scientist, volume 100, number 2, page 112-3: 
      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.
  2. (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.
  3. (mathematics) Relating to the corresponding elements of an equivalence relation.
  4. (chemistry) Having the equal ability to combine.
  5. (cartography) Of a map, equal-area.
  6. (geometry) Equal in measure but not admitting of superposition; applied to magnitudes.
    A square may be equivalent to a triangle.

Usage notes[edit]

  • In mathematics, this adjective can be used in phrases like "A and B are equivalent", "A is equivalent to B", and, less commonly, "A is equivalent with B".

Derived terms[edit]

Translations[edit]

Noun[edit]

equivalent (plural equivalents)

  1. 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.
  2. (chemistry) An equivalent weight.

Translations[edit]

Verb[edit]

equivalent (third-person singular simple present equivalents, present participle equivalenting, simple past and past participle equivalented)

  1. (transitive) To make equivalent to; to equal.

Dutch[edit]

Pronunciation[edit]

Adjective[edit]

equivalent (not comparable)

  1. equivalent

Declension[edit]