1. A closely packed or tightly arranged group, structure, or arrangement of people, objects, or elements with minimal spacing
The soldiers moved in dense formation across the battlefield.
Os soldados avançaram em formação densa através do campo de batalha.
2. In military context, a tactical arrangement where troops are positioned very close together
The cavalry charged in dense formation to break through enemy lines.
A cavalaria atacou em formação densa para romper as linhas inimigas.
3. Any densely packed cluster or concentration of objects or substances
The forest exhibited a dense formation of trees and vegetation.
A floresta apresentava uma formação densa de árvores e vegetação.