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formulae    
n. 公式,规则,客套话

公式,规则,客套话

Formula \For"mu*la\, n.; pl. E. {Formulas}, L. {Formul[ae]}.
[L., dim. of forma form, model. See{Form}, 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.
[1913 Webster]

2. (Eccl.) A written confession of faith; a formal statement
of foctrines.
[1913 Webster]

3. (Math.) A rule or principle expressed in algebraic
language; as, the binominal formula.
[1913 Webster]

4. (Med.) A prescription or recipe for the preparation of a
medicinal compound.
[1913 Webster]

5. (Chem.) A symbolic expression (by means of letters,
figures, etc.) of the constituents or constitution of a
compound.
[1913 Webster]

Note: Chemical formul[ae] 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.
[1913 Webster]

{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.
[1913 Webster]


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  • The Official Home of the ABB FIA Formula E World Championship
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    The meaning of FORMULA is a set form of words for use in a ceremony or ritual How to use formula in a sentence
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    In American English, “formulas” is more common It’s what you’ll mostly see in textbooks and everyday language in the United States On the other hand, British English favors “formulae,” especially in formal writing or when talking about mathematical or scientific formulas
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    Formula racing, also known as open-wheel racing in North America, is any of several forms of open-wheeled single-seater motorsport A "formula", first devised by FIA for its post– World War II single-seater races, is a set of regulations for a given type of car
  • Formula E (@fiaformulae) • Instagram photos and videos
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