### Definition of Equation

1. Noun. A mathematical statement that two expressions are equal.

2. Noun. A state of being essentially equal or equivalent; equally balanced. "On a par with the best"
Exact synonyms: Equality, Equivalence, Par
Generic synonyms: Position, Status
Specialized synonyms: Egalite, Egality, Tie
Derivative terms: Equate, Equate

3. Noun. The act of regarding as equal.
Exact synonyms: Equating
Generic synonyms: Equalisation, Equalization, Leveling
Derivative terms: Equate, Equate

### Definition of Equation

1. n. A making equal; equal division; equality; equilibrium.

### Definition of Equation

1. Noun. (mathematics) An assertion that two expressions are equal, expressed by writing the two expressions separated by an equal sign; from which one is to determine a particular quantity. ¹

2. Noun. (astronomy) A small correction to observed values to remove the effects of systematic errors in an observation. ¹

¹ Source: wiktionary.com

### Definition of Equation

1. the act of equating [n -S]

### Medical Definition of Equation

1. 1. A making equal; equal division; equality; equilibrium. "Again the golden day resumed its right, And ruled in just equation with the night." (Rowe) 2. An expression of the condition of equality between two algebraic quantities or sets of quantities, the sign = being placed between them; as, a binomial equation; a quadratic equation; an algebraic equation; a transcendental equation; an exponential equation; a logarithmic equation; a differential equation, etc. 3. A quantity to be applied in computing the mean place or other element of a celestial body; that is, any one of the several quantities to be added to, or taken from, its position as calculated on the hypothesis of a mean uniform motion, in order to find its true position as resulting from its actual and unequal motion. 4. Equation box, or Equational box, a system of differential gearing used in spinning machines for regulating the twist of the yarn. It resembles gearing used in equation clocks for showing apparent time. 5. Equation of the center, the difference between the place of a planet as supposed to move uniformly in a circle, and its place as moving in an ellipse. Origin: L. Aequatio an equalizing: cf. F. Equation equation. See Equate. Source: Websters Dictionary (01 Mar 1998)

### Lexicographical Neighbors of Equation

 equalsequals signequals signsequangularequanimitiesequanimityequanimousequantequantsequatability equatableequateequatedequatesequatingequation (current term)equation divisionequationalequationallyequationlike equationsequations of motionequativeequativesequatorequator bulbi oculiequator lentisequator of eyeballequator of lensequatorial

### Literary usage of Equation

Below you will find example usage of this term as found in modern and/or classical literature:

1. Proceedings of the Royal Society of London by Royal Society (Great Britain) (1862)
"The following communications were read:— I. " On the equation for the Product of the Differences of all but one of the Roots of a given equation. ..."

2. A Course in Mathematical Analysis by Edouard Goursat, Earle Raymond Hedrick (1917)
"+ C2 <- " J (l - n, - We have shown above (§ 46) that if n is half an odd integer, the general integral of the equation (95) can be expressed in terms of ..."

3. A Treatise on Conic Sections: Containing an Account of Some of the Most by George Salmon (1904)
"Given the equations of two right lines, to find the equation of a third through their point of intersection. The method of solving this question, ..."

4. The Encyclopædia Britannica: A Dictionary of Arts, Sciences, Literature and by Hugh Chisholm (1910)
"The definition of an irreducible equation resembles Abel's,—an equation is reducible when it ... In the case of a given equation, assumed to be irreducible, ..."

5. Projective Geometry by John Wesley Young, Oswald Veblen (1910)
"Similarly, the equation of any point of the line joining A = tt1«1 + «2«2 + ... The equation of a conic. The results of § 65 lead readily to the equation of ..."

6. Encyclopaedia Britannica, a Dictionary of Arts, Sciences, Literature and edited by Hugh Chisholm (1910)
")«о admits the transformations of a continuous group, ie if the equation is ... This equation in a, 0 will be of lower order than the original equation, ..."

7. Higher Mathematics for Students of Chemistry and Physics: With Special by Joseph William Mellor (1902)
"Let y = v be a particular solution of the following equation, ... Substitute y = uv, \du n This equation, is of the first order and linear with du/dx as the ..."