MWI
The abbreviation stands for MWI:
- Message Waiting Indicator, a feature of ISDN and the system telephone systems, which signals in the presence of new messages on the voice mailbox that the terminal
- The country code for Malawi
- Many Worlds interpretation of German many-worlds interpretation, a paradigm for understanding the quantum mechanics
- Mission Scientific Institute Missio, an institute for the advancement of science, research and teaching in Catholic missionary work and in the world- church context
- Disambiguation
- Abbreviation