Formula

Part of speech: noun (n.)

1. A prescribed or set form; an established rule; a fixed or conventional method in which anything is to be done, arranged, or said.

2. A written confession of faith; a formal statement of foctrines.

3. A rule or principle expressed in algebraic language; as, the binominal formula.

4. A prescription or recipe for the preparation of a medicinal compound.

5. A symbolic expression (by means of letters, figures, etc.) of the constituents or constitution of a compound.