structural

[struhk-cher-uh l]
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adjective
  1. of or relating to structure; pertaining or essential to a structure.
  2. Biology. pertaining to organic structure; morphological.
  3. Geology. of or relating to geological structure, as of rock or strata.
  4. Chemistry. pertaining to or showing the arrangement or mode of attachment of the atoms that constitute a molecule of a substance.Compare structural formula.
  5. resulting from or pertaining to political or economic structure.
  6. of, relating to, or based on the assumption that the elements of a field of study are naturally arranged in a systematic structure: structural grammar.
noun
  1. Building Trades.
    1. a part of a structure that carries a load.
    2. the structural member used for such a part.

Origin of structural

First recorded in 1825–35; structure + -al1
Related formsstruc·tur·al·ly, adverbnon·struc·tur·al, adjectivenon·struc·tur·al·ly, adverbun·struc·tur·al, adjectiveun·struc·tur·al·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for structural

structural

adjective
  1. of, relating to, or having structure or a structure
  2. of, relating to, or forming part of the structure of a building
  3. of or relating to the structure and deformation of rocks and other features of the earth's crust
  4. of or relating to the structure of organisms; morphological
  5. chem of, concerned with, caused by, or involving the arrangement of atoms in molecules
Derived Formsstructurally, adverb
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

Word Origin and History for structural
adj.

1835, from structure + -al (1). Related: Structurally.

Online Etymology Dictionary, © 2010 Douglas Harper