for·mu·la /ˈfɔrmjələ/
 公式,程式;準則,方案


 for·mu·la /ˈfɔrmjələ/ 名詞
 (拉)處方,公式,式


 formula
 公式


 formula
 公式


 For·mu·la n.; pl. E. Formulas L. Formulæ
 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. Eccl. A written confession of faith; a formal statement of foctrines.
 3. Math. A rule or principle expressed in algebraic language; as, the binominal formula.
 4. Med. A prescription or recipe for the preparation of a medicinal compound.
 5. Chem. A symbolic expression (by means of letters, figures, etc.) of the constituents or constitution of a compound.
 Note: ☞ Chemical formulæ consist of the abbreviations of the names of the elements, with a small figure at the lower right hand, to denote the number of atoms of each element contained.
 Empirical formula Chem., an expression which gives the simple proportion of the constituents; as, the empirical formula of acetic acid is C2H4O2.
 Graphic formula, Rational formula Chem., an expression of the constitution, and in a limited sense of the structure, of a compound, by the grouping of its atoms or radicals; as, a rational formula of acetic acid is CH3.(C:O).OH; -- called also structural formula, constitutional formula, etc. See also the formula of Benzene nucleus, under Benzene.
 Molecular formula Chem., a formula indicating the supposed molecular constitution of a compound.

 ◄ ►


 formula
      n 1: a group of symbols that make a mathematical statement [syn:
           expression]
      2: directions for making something [syn: recipe]
      3: a conventionalized statement expressing some fundamental
         principle
      4: a representation of a substance using symbols for its
         constituent elements [syn: chemical formula]
      5: something regarded as a normative example; "the convention
         of not naming the main character"; "violence is the rule
         not the exception"; "his formula for impressing visitors"
         [syn: convention, normal, pattern, rule]
      6: a liquid food for infants
      7: (mathematics) a standard procedure for solving a class of
         mathematical problems; "he determined the upper bound with
         Descartes' rule of signs"; "he gave us a general formula
         for attacking polynomials" [syn: rule]
      [also: formulae (pl)]