Definition

• n. the process of forming something
• n. a particular arrangement of people or things

Example

The birds flew south in a neat V-shaped formation.

鸟群排成整齐的V字形向南飞去。

Word familyform-

n.

informationL1reformL2formL3formatL4formalityL5informantL5

v.

informL3formalizeL5

adj.

formalL2informalL4formativeL5informativeL5