/dɪsˈɪntɪɡreɪt/
dis·in·te·grate
BrE /dɪsˈɪntɪɡreɪt/
NAmE /dɪsˈɪntɪɡreɪt/
[I]
to break into small parts or pieces and be destroyed
The plane disintegrated as it fell into the sea.
[I]
to become much less strong or united and be gradually destroyed
SYN fall apart
The authority of the central government was rapidly disintegrating.
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dis·in·te·gra·tion
BrE /dɪsˌɪntɪˈɡreɪʃn/
NAmE /dɪsˌɪntɪˈɡreɪʃn/
[U]
the gradual disintegration of traditional values