Empirical formula

Empirical formula
Empiric Em*pir"ic, Empirical Em*pir"ic*al, a. 1. Pertaining to, or founded upon, experiment or experience; depending upon the observation of phenomena; versed in experiments. [1913 Webster]

In philosophical language, the term empirical means simply what belongs to or is the product of experience or observation. --Sir W. Hamilton. [1913 Webster]

The village carpenter . . . lays out his work by empirical rules learnt in his apprenticeship. --H. Spencer. [1913 Webster]

2. Depending upon experience or observation alone, without due regard to science and theory; -- said especially of medical practice, remedies, etc.; wanting in science and deep insight; as, empiric skill, remedies. [1913 Webster]

{Empirical formula}. (Chem.) See under {Formula}.

Syn: See {Transcendental}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • empirical formula — n a chemical formula showing the simplest ratio of elements in a compound rather than the total number of atoms in the molecule <CH2O is the empirical formula for glucose> compare MOLECULAR FORMULA * * * a chemical formula that expresses… …   Medical dictionary

  • Empirical formula — 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… …   The Collaborative International Dictionary of English

  • empirical formula — n. a chemical formula which gives the composition of elements in a molecule in their lowest relative proportions but does not specify the structural arrangement or true molecular weight (Ex.: CH for benzene or acetylene) …   English World dictionary

  • Empirical formula — This article is about analytical chemistry. For observation rather than theory, see Empirical relationship. In chemistry, the empirical formula of a chemical compound is the simplest whole number ratio of atoms of each element present in a… …   Wikipedia

  • empirical formula — noun Date: 1878 a chemical formula showing the simplest ratio of elements in a compound rather than the total number of atoms in the molecule < CH2O is the empirical formula for glucose > …   New Collegiate Dictionary

  • empirical formula — noun A notation indicating the ratios of the various elements present in a compound, without regard to the actual numbers. The molecular formula for ethane is CH, while the empirical formula is CH …   Wiktionary

  • empirical formula — empirinė formulė statusas T sritis chemija apibrėžtis Formulė, rodanti junginio elementų paprasčiausią kiekybinį santykį. atitikmenys: angl. empirical formula rus. эмпирическая формула …   Chemijos terminų aiškinamasis žodynas

  • empirical formula — empirinė formulė statusas T sritis fizika atitikmenys: angl. empirical formula vok. empirische Formel, f rus. эмпирическая формула, f pranc. formule empirique, f …   Fizikos terminų žodynas

  • empirical formula — Chem. a chemical formula indicating the elements of a compound and their relative proportions, as (CH2O)n. Cf. molecular formula, structural formula. [1820 30] * * * …   Universalium

  • empirical formula — noun a chemical formula showing the ratio of elements in a compound rather than the total number of atoms • Hypernyms: ↑formula, ↑chemical formula …   Useful english dictionary

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