disintegrate (v.)youdaoicibaDictYouDict[disintegrate 词源字典]
1796, from dis- "do the opposite of" + integrate (v.). Related: Disintegrated; disintegrating. [disintegrate etymology, disintegrate origin, 英语词源]
integrate (v.)youdaoicibaDictYouDict
1630s, "to render (something) whole," from Latin integratus, past participle of integrare "make whole," from integer "whole" (see integer). Meaning "to put together parts or elements and combine them into a whole" is from 1802. Integrate in the "racially desegregate" sense is a back-formation from integration, dating to the 1948 U.S. presidential contest. Related: Integrated; integrating.
reintegrate (v.)youdaoicibaDictYouDict
1580s, from re- + integrate. Also in classically correct form redintegrate. Related: Reintegrated; reintegrating.