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equation

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Equation is the state of being equal and is often shown as a math expression with equal values on either side, or refers to a problem where many things need to be taken into account. (noun)

An example of an equation is 2+2 = 3+1.
An example of equation is when you factor in both money and enjoyment for your job in deciding whether to take a new job.

See equation in Webster's New World College Dictionary

noun

the act of equating; equalization
the state of being equated; equality, equivalence, or balance; also, identification or association
1. a complex whole: the human equation
2. an element in a complex whole
a statement of equality between two quantities, as shown by the equal sign (=): a quadratic equation
an expression in which symbols and formulas are used to represent a balanced chemical reaction (Ex.: HSO + 2NaCl = 2HCl + NaSO)

Related Forms:

equational adjective

See equation in American Heritage Dictionary 4

(ĭ-kwāˈzhən, -shən)

noun

The act or process of equating or of being equated.
The state of being equal.
Mathematics A statement asserting the equality of two expressions, usually written as a linear array of symbols that are separated into left and right sides and joined by an equal sign.
Chemistry A representation of a chemical reaction, usually written as a linear array in which the symbols and quantities of the reactants are separated from those of the products by an equal sign, an arrow, or a set of opposing arrows.
A complex of variable elements or factors: “The world was full of equations . . . there must be an answer for everything, if only you knew how to set forth the questions” (Anne Tyler).

Related Forms: