formulae

Noun

formula (countable and uncountable, plural formulas or formulae or (archaic) formulæ)

1. Any mathematical rule expressed symbolically.
   • x=(-b±√)/(2a) is a formula for finding the roots of the quadratic equation ax² + bx + c = 0.

   Synonyms:

   mathematical formula

2. A symbolic expression of the structure of a compound.
   • H₂O is the formula for water.

   Synonyms:

   chemical formula

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. A fixed phrase or set of words intended to be interpreted non-literally, typically used attitudinally or as part of convention; a formulation.
   • Avoid the typical epistolic formalae, such as "Kind regards".
6. (especially) A formal statement of doctrine.
   • The extract from the Missal of Constance, which was printed before the editio princeps […] does not contain the formulae for Advent, Sundays after Epiphany, Lent and the Sundays after Easter and Pentecost; […]2004, Thomas Fisch, editor, Primary Readings on the Eucharist, Liturgical Press, →ISBN, footnote, page 34

See all 7 meanings of formula