equation

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See also: équation

English[edit]

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Alternative forms[edit]

Etymology[edit]

From Old French, from Latin aequātiō (an equalizing).

Pronunciation[edit]

Noun[edit]

equation (plural equations)

  1. (mathematics) An assertion that two expressions are equal, expressed by writing the two expressions separated by an equal sign; from which one is to determine a particular quantity.
  2. (astronomy) A small correction to observed values to remove the effects of systematic errors in an observation.

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