Meaning of FORMATION in English

FORMATION

n.1 the act or an instance of forming; the process of being formed.

2 a thing formed.

3 a structure or arrangement of parts.

4 a particular arrangement, e.g. of troops, aircraft in flight, etc.

5 Geol. an assemblage of rocks or series of strata having some common characteristic.

Derivatives:

formational adj.

Etymology: ME f. OF formation or L formatio (as FORM)

Oxford English vocab.      Оксфордский английский словарь.