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equation definition

equa·tion (ē kwā′z̸hən, i-)

noun

  1. the act of equating; equalization
  2. the state of being equated; equality, equivalence, or balance; also, identification or association
    1. a complex whole the human equation
    2. an element in a complex whole
  4. a statement of equality between two quantities, as shown by the equal sign (=) a quadratic equation
  5. an expression in which symbols and formulas are used to represent a balanced chemical reaction (Ex.: HSO + 2NaCl = 2HCl + NaSO)

Etymology: ME equacioun < L aequatio

Related Forms:

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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