noun: An established form of words or symbols for use in a ceremony or procedure.
noun: An utterance of conventional notions or beliefs; a hackneyed expression.
noun: A method of doing or treating something that relies on an established, uncontroversial model or approach: a new situation comedy that simply uses an old formula.
noun: Chemistry A symbolic representation of the composition or of the composition and structure of a compound.
noun: Chemistry The compound so represented.
noun: A prescription of ingredients in fixed proportion; a recipe.
noun: A liquid food for infants, containing most of the nutrients in human milk.
noun: Mathematics A statement, especially an equation, of a fact, rule, principle, or other logical relation.
noun: Sports A set of specifications, including engine displacement, fuel capacity, and weight, that determine a class of racing car.