The meaning of the Acronym E is...

E is

• Failing grade

More Meanings For E:

• End
• form E (break; make-before-make) contacts
• Encryption
• Environment
• Echo
• Either
• Everything
• Enraged
• Atmosphere layer 55 to 85 miles up
• Eaves
• Estimate
• Entrance
• Earth
• Extinction
• Energy

E is also in:

• Amateur Radio
• Architecture
• Assembly
• Astronomy
• Botany
• Chat
• Chemistry
• Hardware
• Security
• Software
• Telecom