[struhk-cher-uh l]
  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.
  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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for structurally

Contemporary Examples of structurally

Historical Examples of structurally

British Dictionary definitions for structurally


  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 structurally



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

Online Etymology Dictionary, © 2010 Douglas Harper