structural formula n an expanded molecular formula (as H-O-H for water) showing the arrangement within the molecule of atoms and of bonds
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a chemical formula telling how many atoms of each element are present in a molecule of a substance, which atom is linked to which, and the type of linkages involved; for convenience, abbreviated structural formulas are sometimes used. Called also constitutional f., graphic f., and rational f.
Structural formulas for ethanol.
Medical dictionary. 2011.