1. The outer form, shape, or arrangement of something; the visible or physical framework that constitutes the outside of an object or organism
The external structure of the building was damaged by the earthquake.
A estrutura externa do edifício foi danificada pelo terremoto.
2. In biology, the outer anatomical features or morphology of an organism
Scientists studied the external structure of the insect under a microscope.
Os cientistas estudaram a estrutura externa do inseto sob um microscópio.
3. The outward appearance or organization of something as opposed to its internal components
The external structure of the organization changed after the merger.
A estrutura externa da organização mudou após a fusão.