Translate equation | into French | into German | into Italian | into Spanish Definition of equation
noun
1 Mathematics a statement that the values of two mathematical expressions are equal (indicated by the sign =).
2the process of equating one thing with another:the equation of science with objectivity (
the equation)
a situation or problem in which several factors must be taken into account:money also came into the equation
3 Chemistry a symbolic representation of the changes that occur in a chemical reaction, expressed in terms of the formulae of the molecules or other species involved.