dis ‧ in ‧ te ‧ grate /dɪsˈɪntəɡreɪt, dɪsˈɪntɪɡreɪt/ BrE AmE verb
1 . [intransitive and transitive] to break up, or make something break up, into very small pieces:
The plane just disintegrated in mid-air.
2 . [intransitive] to become weaker or less united and be gradually destroyed:
a society disintegrating under economic pressures
—disintegration /dɪsˌɪntəˈɡreɪʃ ə n, dɪsˌɪntɪˈɡreɪʃ ə n/ noun [uncountable] :
the disintegration of the Soviet empire into separate republics