noun (n)

• a group of symbols that make a mathematical statement(noun.communication)

  Synonym:
  expression
  

  source: wordnet30
• directions for making something(noun.communication)

  Synonym:
  recipe
  

  source: wordnet30
• a conventionalized statement expressing some fundamental principle(noun.communication)

  source: wordnet30
• a representation of a substance using symbols for its constituent elements(noun.communication)

  Synonym:
  chemical formula
  

  source: wordnet30
• something regarded as a normative example(noun.cognition)

  Example:
  His formula for impressing visitors.
  

  Synonym:
  convention, normal, pattern, rule
  

  source: wordnet30
• a liquid food for infants(noun.food)

  source: wordnet30
• (mathematics) a standard procedure for solving a class of mathematical problems(noun.cognition)

  Example:
  He gave us a general formula for attacking polynomials.
  

  Synonym:
  rule
  

  source: wordnet30
• A prescribed or set form; an established rule; a fixed or conventional method in which anything is to be done, arranged, or said.(noun)

  source: webster1913