struc·tur·al

[struhk-cher-uhl]
adjective
1.
of or pertaining to structure; pertaining or essential to a structure.
2.
Biology. pertaining to organic structure; morphological.
3.
Geology. of or pertaining 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, pertaining to, or based on the assumption that the elements of a field of study are naturally arranged in a systematic structure: structural grammar.
noun
7.
Building Trades.
a.
a part of a structure that carries a load.
b.
the structural member used for such a part.
00:10
Structural is always a great word to know.
So is communication. Does it mean:
transfer of information from one cell or molecule to another, as by chemical or electrical signals
any organism that derives its energy for food synthesis from light and is capable of using carbon dioxide as its principal source of carbon

Origin:
1825–35; structure + -al1

struc·tur·al·ly, adverb
non·struc·tur·al, adjective
non·struc·tur·al·ly, adverb
un·struc·tur·al, adjective
un·struc·tur·al·ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To structural
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World English Dictionary
structural (ˈstrʌktʃərəl) [Click for IPA pronunciation guide]
 
adj
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
 
'structurally
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Example sentences
We can explain the structural and functional aspects of the universe through
  some fundamental laws.
The continuing structural changes are insidious because they are so mundane.
It is similar to the structural failure a bridge can experience as vibrations
  increase.
So even the actual hormonal basis underlying the reported structural
  differences remains unclear.
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