eiff - engi
- eiffel type wind-tunnel
- eigenvalue
- eigenvector
- eight-bit
- eight-bladed
- eight-bladed prop-fan
- eight-cylinder radial engine
- eightbit
- EIN
- Einstein
- EIS
- EIT
- eitheror
- eitherway
- eje casing
- eject
- eject radiation
- ejectable
- ejectable cabin
- ejectable data record package
- ejecting
- ejecting radiation
- ejection
- ejection of radiation
- ejection seat
- ejector
- ejector jet nozzle
- ejector nozzle
- elaborate out declaration
- elaborated draft
- elaborating out adeclaration
- elaboration of nuclear weapons
- ELAN
- elan
- elapsed time
- elapsed time code
- elapsed time counter
- elapsed time indicator
- elapsed-time recorder
- elapsedtime