- (Received Pronunciation) IPA(key): /ɛkˈspəʊnənt/, /ɪkˈkspəʊnənt/
- (General American) IPA(key): /ˈɛkspoʊnənt/
- Hyphenation: ex‧po‧nent
exponent (plural exponents)
- One who expounds, represents or advocates.
- (mathematics) The power to which a number, symbol or expression is to be raised, for example, the in .
- (mathematics) The result of a logarithm, between a base and an antilogarithm, for example, the in .
- (mathematics, obsolete) The degree to which the root of a radicand is found, for example, the in .
1711, [Jacques Ozanam]; Daniel Hilman, transl., “Abridgement of Algebra. Chapter I. Of Monomes.”, in M. Ozanam's Introduction to the Mathematicks or His Algebra: Wherein the Rudiments of that Most Useful Science are Made Plain to a Mean Capacity. Done out of French, London: Printed for R. Sare at Gray's-Inn-Gate in Holborn, OCLC 23617497, problem IV (“To Divide a Quantity by a Quantity”), page 9:
- A Power that hath neither the Signs or before it, is look'd upon as Affirmative, and if it be preceded by a Number that contains the Root ſought and its Exponent may be commenſured by the Exponent of the Root; namely for the Square Root by 2, for the Cube by 3, &c. it will contain the Root ſought.
1717, Philip Ronayne, “Of the Indices, or Exponents of Powers”, in A Treatise of Algebra in Two Books: The First Treating of the Arithmetical, and the Second of the Geometrical Part, book I, part V, London: Printed for W[illiam] Innys at the Prince's Arms in St. Paul's Church-Yard, OCLC 83267734, page 69:
- And univerſally the Exponent of the m Power, is m times the Exponent of the Root, and the Exponent of the m-Root (or Power) is times the Exponent of the Root.
1845, Dionysius Lardner, “Algebra”, in Edward Smedley, Hugh James Rose, and Henry John Rose, editors, Encyclopædia Metropolitana; or, Universal Dictionary of Knowledge, on an Original Plan: Comprising the Twofold Advantage of a Philosophical and an Alphabetical Arrangement, with Appropriate Engravings, volume I (Pure Sciences, volume 1), London: B. Fellowes [et al.], OCLC 20598255, page 534:
- The notation by which the root is expressed, is the mark called a radical, placed over the letter, with an exponent to the left indicating the order of the root.
- (linguistics) A manifestation of a morphosyntactic property.
One who expounds, represents or advocates
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