Main Entry:

equa·tion

Pronunciation:

\i-ˈkwā-zhən also -shən\

Function:

noun

Date:

14th century

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