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WordReference Random House Unabridged Dictionary of American English © 2024dis•in•te•gra•tion (dis in′tə grā′shən),USA pronunciation n. - the act or process of disintegrating.
- Physicsdecay (def. 8).
- disintegrate + -ion 1790–1800
WordReference Random House Learner's Dictionary of American English © 2024dis•in•te•grate /dɪsˈɪntəˌgreɪt/USA pronunciation v., -grat•ed, -grat•ing. - to (cause to) lose solidness or strength; (cause to) break up or fall apart: [no object]At that speed the plane began to disintegrate.[~ + object]The bullets tearing into the house disintegrated the flimsy walls.
dis•in•te•gra•tion /dɪsˌɪntəˈgreɪʃən/USA pronunciation n. [uncountable] WordReference Random House Unabridged Dictionary of American English © 2024dis•in•te•grate (dis in′tə grāt′),USA pronunciation v., -grat•ed, -grat•ing. v.i. - to separate into parts or lose intactness or solidness; break up;
deteriorate:The old book is gradually disintegrating with age. - [Physics.]
- to decay.
- (of a nucleus) to change into one or more different nuclei after being bombarded by high-energy particles, as alpha particles or gamma rays.
v.t. - to reduce to particles, fragments, or parts;
break up or destroy the cohesion of:Rocks are disintegrated by frost and rain.
- dis-1 + integrate 1790–1800
- 1, 3.See corresponding entry in Unabridged . See decay.
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