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English Lexicon

Equation

/ɪˈkweɪ.ʒən/
nounCEFR B2 (Upper)Top #2150 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A mathematical statement that two expressions are equal, indicated by the sign =.

    "He spent hours trying to solve the complex algebraic equation."
  2. 2

    A situation or problem containing multiple variable factors that must be considered together.

    "Cost was a major factor in the equation when launching the new product."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Latin word aequationem, meaning 'an equaling' or 'equal distribution', originating from aequare ('to make equal'). It entered Middle English in the late 14th century initially in an astrological and mathematical sense, later expanding into general figurative usage to describe complex problems involving multiple balancing factors.

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