**Noun**equation has 3 senses

- equation - a mathematical statement that two expressions are equal

--_{1}is a kind of mathematical statement

--_{1}has particulars:regression equation, regression of y on x; linear equation; quadratic equation, quadratic; biquadratic equation, biquadratic; differential equation; simultaneous equations; exponential equation Derived form: verb equate _{2} - equality, equivalence, equation, par - a state of being essentially equal or equivalent; equally balanced; "on a par with the best"

--_{2}is a kind of status, position

--_{2}has particulars: tieDerived forms: verb equate _{2}, verb equate_{3} - equation, equating - the act of regarding as equal

--_{3}is a kind of equalization, equalisation, leveling

Derived form: verb equate _{1}