formula

/ˈfɔrmjələ/
noun
  1. A method, rule, or set of instructions for doing or making something, often expressed in symbols or words.
    • There is no simple formula for happiness, but kindness helps.
    • The company's formula for success includes hard work and innovation.
    • The chef shared her secret formula for the perfect chocolate cake.
  2. A mathematical relationship or rule expressed in symbols, such as an equation.
    • The scientist derived a new formula to calculate the speed of light in different materials.
    • The teacher wrote the quadratic formula on the board for the students to copy.
    • To find the area of a circle, use the formula A = πr².
  3. A list of ingredients or a mixture used to make a product, especially in chemistry or manufacturing.
    • The company keeps its soft drink formula a closely guarded secret.
    • The chemist adjusted the formula for the cleaning solution to make it less harsh.
    • The baby's formula is made from a special blend of nutrients.
  4. A fixed form of words used in a ceremony, ritual, or official statement.
    • The priest recited the traditional formula during the baptism.
    • The oath of office follows a specific formula required by law.
    • The diplomat used a standard formula to begin the peace negotiations.