1. The basic framework or essential organizational system that serves as the foundation for something
The fundamental structure of the company is based on three main departments.
A estrutura fundamental da empresa é baseada em três departamentos principais.
2. In science and mathematics, the basic underlying framework or system of organization
Understanding the fundamental structure of atoms is crucial in chemistry.
Compreender a estrutura fundamental dos átomos é crucial na química.
3. In architecture and engineering, the primary load-bearing framework of a building or infrastructure
The fundamental structure of the bridge was reinforced with steel cables.
A estrutura fundamental da ponte foi reforçada com cabos de aço.