Definition from Wiktionary, the free dictionary
- To reduce investment, or cease to invest
2009, January 16, “Kate Zernike”, in Students Covering Bigger Share of Costs of College:
- “The institutions whose primary mission is teaching — the masters and community colleges and bachelors colleges, are slowly disinvesting in the teaching function,” Ms. Wellman said.
Weaker than related divest, which instead means "sell off existing investments", rather than "reduce or cease new investment".