Equation

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Date: 14th century

Definitions

1 a : the act or process of equating

b (1) : an element affecting a process : factor

(2) : a complex of variable factors

c : a state of being equated; specifically : a state of close association or identification <bring governmental enterprises and payment for them into immediate equation — R. G. Tugwell>

2 a : a usually formal statement of the equality or equivalence of mathematical or logical expressions

b : an expression representing a chemical reaction quantitatively by means of chemical symbols