structural formula


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Related to structural formula: condensed structural formula

formula

 [for´mu-lah] (pl. formulas, for´mulae) (L.)
1. an expression, using numbers or symbols, giving the directions for preparing a compound (such as a medicine) or giving a procedure to follow to obtain a desired result.
2. a mixture for feeding an infant, usually with cow's milk as a base, supplemented with vitamins and minerals. Various formulas are available, differing in protein, fat, and carbohydrate content in order to meet the nutritional requirements or restrictions of individual infants.
chemical formula a combination of symbols used to express the chemical components of a substance.
empirical formula a chemical formula that expresses the proportions of the elements present in a substance.
molecular formula a chemical formula expressing the number of each element present in a substance, without indicating how they are linked.
spatial formula (stereochemical formula) a chemical formula giving the numbers of atoms of each element present in a molecule of a substance, which atom is linked to which, the types of linkages involved, and the relative positions of the atoms in space.
structural formula a chemical formula showing the spatial arrangement of the atoms and the linkage of every atom.

struc·tur·al for·mu·la

a formula in which the connections of the atoms and groups of atoms, as well as their kind and number, are indicated.

struc·tur·al for·mu·la

(strŭk'shŭr-ăl fōrm'yū-lă)
A formula in which the connections of the atoms and groups of atoms, as well as their kind and number, are indicated.

formula

pl. formulae, formulas [L.] an expression, using numbers or symbols, of the composition of, or of directions for preparing, a compound, such as a medicine, or of a procedure to follow to obtain a desired result, or of a single concept.

chemical formula
a combination of symbols used to express the chemical components of a substance.
dental formula
see dental formula.
empirical formula
a chemical formula that expresses the proportions of the elements present in a substance.
gait formula
sets out the times that the feet are individually in contact with the ground while the animal is moving.
molecular formula
a chemical formula expressing the number of atoms of each element present in a substance, without indicating how they are linked.
spatial formula, stereochemical formula
a chemical formula giving the numbers of atoms of each element present in a molecule of a substance, which atom is linked to which, the types of linkages involved, and the relative positions of the atoms in space.
structural formula
a chemical formula showing the spatial arrangement of the atoms and the linkage of every atom.
vertebral formula
sets out the number of vertebrae in each of the sections of the spinal column.
References in periodicals archive ?
4) compared with the ratio estimated with the structural formula (8.
Figure III-9-1 Chemical structural formula of isomaltulose
She analyzes their linguistic and structural formulas, how they used subversive tools to avoid censorship, and how they individualized the genre to suit their needs, in terms of Scott's Scottish nationalism, Dickens' socialist purpose, and Stevenson's radical aims.
This edition contains new molecular structural formulas, plus new research and updated references.
This reference for chemists lists reagents alphabetically and gives concise descriptions, structural formulas, and selected examples of applications.
The well respected and ever popular Fieser and Fieser series on reagents for organic synthesis provides concise descriptions, good structural formulas and selected examples of applications - providing references to new reagents as well as to reagents included in previous volumes.
He presents structural formulas and basic chemistry lessons, but no references or further reading.

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