Meaning of “disintegrate” in the English Dictionary

"disintegrate" in British English

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disintegrateverb [ I ]

uk /dɪˈsɪn.tɪ.ɡreɪt/ us /dɪˈsɪn.t̬ə.ɡreɪt/

to become weaker or be destroyed by breaking into small pieces:

The spacecraft disintegrated as it entered the earth's atmosphere.
The Ottoman Empire disintegrated into lots of small states.

to become much worse:

The situation disintegrated into chaos.

More examples

disintegration
noun [ U ] uk /dɪˌsɪn.tɪˈɡreɪ.ʃən/ us /ˌdɪs.ɪn.t̬əˈɡreɪ.ʃən/

social disintegration
the gradual disintegration of family values

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

"disintegrate" in American English

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disintegrateverb [ I ]

us /dəˈsɪn·tɪˌɡreɪt/

to become weaker or be destroyed by breaking into small pieces:

The spacecraft disintegrated as it entered the earth’s atmosphere.
disintegration
noun [ U ] us /dəˌsɪn·tɪˈɡreɪ·ʃən/

(Definition of “disintegrate” from the Cambridge Academic Content Dictionary © Cambridge University Press)