Meaning of “disintegrate” - Learner’s Dictionary

disintegrate

verb [ I ] uk us /dɪˈsɪntɪɡreɪt/
BREAK

to break into a lot of small pieces

GET WORSE

to become much worse:

The situation is disintegrating into total chaos.
disintegration uk us /dɪˌsɪntɪˈɡreɪʃən/ noun [ U ]

(Definition of “disintegrate” from the Cambridge Learner’s Dictionary © Cambridge University Press)