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structural formula

noun, Chemistry.
a chemical formula showing the linkage of the atoms in a molecule diagrammatically, as H–O–H.
Origin of structural formula
First recorded in 1885-90 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for structural formula
Historical Examples
  • Hence guanidine from its structural formula is a carbodiamidimide.

    Poisons: Their Effects and Detection Alexander Wynter Blyth
  • With the structural formula of Harries as a clue chemists all over the world plunged into the problem with renewed hope.

    Creative Chemistry

    Edwin E. Slosson
  • The structural formula for benzene, C6H6, is one which it is difficult and inconvenient to reproduce in type.

    The Chemistry of Plant Life Roscoe Wilfred Thatcher
British Dictionary definitions for structural formula

structural formula

a chemical formula showing the composition and structure of a molecule. The atoms are represented by symbols and the structure is indicated by showing the relative positions of the atoms in space and the bonds between them: H–C≡C–H is the structural formula of acetylene See also empirical formula, molecular formula
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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structural formula in Medicine

structural formula struc·tur·al formula (strŭk'chər-əl)
A chemical formula that shows the number and kinds of atoms in a molecule and how the atoms and bonds in the molecule are arranged.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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structural formula in Science
structural formula
A chemical formula that shows how the atoms making up a compound are arranged within the molecule. For example, the structural formula of aspirin is CH3COOC6H4COOH, indicating that it consists of an acetyl group (CH3COO) attached to the carboxylic acid (COOH) of a phenyl group (C6H4). Compare empirical formula, molecular formula.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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