* Eno - This is a brand name for a popular effervescent antacid tablet.
* Electronic Numerical Integrator and Computer - This was an early electronic computer developed by the U.S. Army during World War II.
* Emergency Notification Office - This is a type of office responsible for sending out emergency notifications to the public.
* Earth Networks Operations - This is a company that provides weather forecasting and other environmental data services.
* Enterprise Network Operations - This refers to the management and maintenance of a large network of computers within a business or organization.
* Executive Network Officer - This is a position in some organizations, usually responsible for managing a network of executives.
To understand the full form of ENO in a particular context, you need to consider the context in which it is used.