# Equation

[ih-kwey-zhuh n, -shuh n] /ɪˈkweɪ ʒən, -ʃən/

**noun**

1.

the act of or making equal; equalization:

the symbolic equation of darkness with death.

2.

equally balanced state; equilibrium.

3.

Mathematics. an expression or a proposition, often algebraic, asserting the equality of two quantities.

4.

Also called chemical equation. Chemistry. a symbolic representation showing the kind and amount of the starting materials and products of a reaction.

/ɪˈkweɪʒən; -ʃən/

**noun**

1.

a mathematical statement that two expressions are equal: it is either an identity in which the variables can assume any value, or a conditional equation in which the variables have only certain values (roots)

2.

the act of regarding as equal; equating

3.

the act of making equal or balanced; equalization

4.

a situation, esp one regarded as having a number of conflicting elements: what you want doesn’t come into the equation

5.

the state of being equal, equivalent, or equally balanced

6.

a situation or problem in which a number of factors need to be considered

7.

See chemical equation

8.

(astronomy) See personal equation

n.

late 14c., a term in astrology; meaning “action of making equal” is from 1650s; mathematical sense is from 1560s, on notion of equalizing the expressions; from Latin aequationem (nominative aequatio) “an equal distribution, community,” from past participle stem of aequare (see equal (**adj.**)). Chemistry sense is from 1807.

equation e·qua·tion (ĭ-kwā’zhən, -shən)

n.

equation

(ĭ-kwā’zhən)

An expression of equality between two formulas in mathematics. The two formulas are written with an equal sign between them: 2 + 2 = 4 is an equation, as is E = mc2.

Tagged: e

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