v. dis·in·te·grat·ed, dis·in·te·grat·ing, dis·in·te·grates
1. To become reduced to components, fragments, or particles. See Synonyms at decay.
2. To lose cohesion or unity: pressures that cause families to disintegrate
3. Physics & Chemistry To decompose, decay, or undergo a nuclear transformation.
To cause to disintegrate.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.