The female then heaps the material up to form a simple structure.
The order with its elements form a hierarchical structure in n levels.
In 1847, a three-story addition was built between the two houses to form a single structure.
Two or more materials may be combined to form composite structures.
The two acts of the play form a contrapuntal structure.
Every village forms a social structure with key leaders.
By some miracle the unlikely bits and pieces began to form a structure.
They waited patiently as a vast structure formed around them.
For this reason neutronium does not form a rigid structure.
In an areole, the nodes are so close together, they form a single structure.