The meaning of the Acronym E is...

E is

• Electric
• Epsilon
• Efficiency
• Young's Modulus of Elasticity

More Meanings For E:

• Atmosphere layer 55 to 85 miles up
• Eaves
• Estimate
• Entrance
• Earth
• Extinction
• Energy
• Experiment
• Edge
• Electronic
• Earthed (electrically grounded)
• Equalizer
• form E (break; make-before-make) contacts
• Emitter
• Electromotive force, Volt

E is also in:

• Amateur Radio
• Architecture
• Astronomy
• Botany
• Chemistry
• Electronics