formula

English

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Etymology

From Latin formula(a small pattern or mold, form, rule, principle, method, formula), diminutive of forma(a form); see form.

Noun

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formula ‎(plural formulae or formulas or formulæ)

1. (mathematics) Any mathematical rule expressed symbolically.
${\displaystyle x={\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}}$ is a formula for finding the roots of the quadratic equation ax2 + bx + c = 0.
2. (chemistry) A symbolic expression of the structure of a compound.
H2O is the formula for water (Dihydrogen monoxide)
3. A plan or method for dealing with a problem or for achieving a result.
The company's winning formula includes excellent service and quality products.
4. A formulation; a prescription; a mixture or solution made in a prescribed manner; the identity and quantities of ingredients of such a mixture.
The formula of the rocket fuel has not been revealed.
5. Drink given to babies to substitute for mother's milk.
6. (logic) A syntactic expression of a proposition, built up from quantifiers, logical connectives, variables, relation and operation symbols, and, depending on the type of logic, possibly other operators such as modal, temporal, deontic or epistemic ones.