structural

adj

1. Of, relating to, or having structure.

   “Class 1. consists of nervous diseases, such as depend on the nervous and muscular systems; the second, of sanguine diseases, such as depend on the sanguiferous system; the third, of secretory diseases, or such as are connected with the state of the secretions; and the fourth, of structural diseases, or those that are connected with the nutritive powers.”

   “These structural differences, the authors suggest, support previous reports of differences in personality: liberals tend to be better at managing conflicting information, while conservatives are though to be better at recognizing threats, researchers said.”

2. Involving the mechanics of construction.

noun

1. Structural steel, used in construction.

   “Freight differentials often increased the spread in favor of the imported structurals. Purchasers repeatedly emphasized that their purchases of imported structurals were split among a number of sources, including Spain, France, West Germany, […]”