- molecular formula
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A notation indicating the number of atoms of each element present in a compound.
The molecular formula for ethane is CH, while the empirical formula is CH
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molecular formula
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Molecular 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
molecular formula — mo*lec u*lar form u*la, n. (Chem.) An expression representing the composition of elements in a chemical substance, commonly consisting of a series of letters and numbers comprising the atomic symbols of each element present in a compound followed … The Collaborative International Dictionary of English
molecular formula — n a chemical formula for a compound existing as discrete molecules that gives the total number of atoms of each element in a molecule <the molecular formula for water is H2O> see STRUCTURAL FORMULA compare EMPIRICAL FORMULA * * * a chemical … Medical dictionary
molecular formula — n. a formula which gives the kinds of atoms or radicals and the number of each kind in the molecule of a compound (Ex.: C6H6 for benzene) … English World dictionary
molecular formula — molekulinė formulė statusas T sritis chemija apibrėžtis Formulė, rodanti junginio molekulę sudarančių kiekvieno elemento atomų skaičių. atitikmenys: angl. molecular formula rus. молекулярная формула … Chemijos terminų aiškinamasis žodynas
molecular formula — noun a chemical formula based on analysis and molecular weight • Hypernyms: ↑formula, ↑chemical formula • Hyponyms: ↑structural formula … Useful english dictionary
molecular formula — Chem. a chemical formula that indicates the kinds of atoms and the number of each kind in a molecule of a compound. Cf. empirical formula, structural formula. [1900 05] * * * … Universalium
molecular formula — noun Date: 1869 a chemical formula that gives the total number of atoms of each element in each molecule of a substance compare structural formula … New Collegiate Dictionary
molecular formula — molec′ular for′mula n. chem. a chemical formula that indicates the kind and number of atoms in a molecule of a compound • Etymology: 1900–05 … From formal English to slang
molecular formula — /məlɛkjələ ˈfɔmjələ/ (say muhlekyuhluh fawmyuhluh) noun the formula of a chemical compound showing the number and kind of atoms present in the molecule, but not their arrangement …
