ESI
[1] Equivalent Step Index[2] Engineering & Scientific Interpreter
[3] Equivalent Sphere Illumination (->""IEEE" Standard Dictionary")
[4] European Software Institute, Parque Technologico de Zamudio (Spanien)
[5] Enhanced Serial Interface (specification, Hayes)
[6] Electronic Share Information
[7] Electrostatic Interference
[8] Electrical System Integration (->""NASA" Acronym List")