Meaning of FORMATION in English
The ~ of something is the starting or creation of it.
...the ~ of a new government.
N-UNCOUNT: with supp, usu the N of n
The ~ of an idea, habit, relationship, or character is the process of developing and establishing it.
My profession had an important influence in the ~ of my character and temperament.
N-UNCOUNT: with supp
If people or things are in ~, they are arranged in a particular pattern as they move.
He was flying in ~ with seven other jets...
N-COUNT: also a N, usu in N
A rock or cloud ~ is rock or cloud of a particular shape or structure.
...a vast rock ~ shaped like a pillar...
Enormous cloud ~s formed a purple mass.
N-COUNT: n N
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012