[adj] concerned with systematic structure in a particular field of study
[adj] affecting or involved in structure or construction; "the structural details of a house such as beams and joists and rafters; not ornamental elements"; "structural damage"
[adj] relating to or having or characterized by structure; "structural engineer"; "structural errors"; "structural simplicity"
[adj] relating to or caused by structure, especially political or economic structure; "structural unemployment in a technological society"
[adj] relating to or concerned with the morphology of plants and animals; "morphological differences"
[adj] (geology) pertaining to geological structure; "geomorphological features of the Black Hills"; "morphological features of granite"; "structural effects of folding and faulting of the earth's surface"