understructure

As nouns the difference between terms and understructure

is that terms is while understructure is the supporting structure underneath something, such as a vehicle or bridge.

As nouns the difference between understructure and substructure

is that understructure is the supporting structure underneath something, such as a vehicle or bridge while substructure is the supporting part of a structure (either physical or organizational; the foundation).

As a noun understructure is

the supporting structure underneath something, such as a vehicle or bridge.

As nouns the difference between vehicle and understructure

is that vehicle is a conveyance; a device for carrying or transporting substances, objects or individuals while understructure is the supporting structure underneath something, such as a vehicle or bridge.

As a verb structure

is .

As an adjective structure

is structured.

As a noun understructure is

the supporting structure underneath something, such as a vehicle or bridge.