- Ephemeroptera
- euronithopod
- Embioptera
- Euronithopoda
- Eurypterida
- enfolding
- elaborateness
- empirical therapeutics
- empirical antimicrobial therapy
- empirical dialysis ratio
- empirical based on observation and experience
- empiric
- empirical treatment
- escalation
- eightieth
- entozoa
- entorhinal cortex
- essential albuminuria
- essential amino_acid
- endorphin
- Emetrol
- elastomer
- emissary
- Eurafrican
- Ethiopian
- errors and omissions excepted
- et alii
- enhancement
- employed
- epistle to the hebrews
- epistle to the ephesians
- epistle of paul the apostle to the ephesians
- epistle of paul the apostle to the philippians
- Enhydra lutris
- emptying
- European gallinule
- evapotranspirometer
- electrical stimulus
- endothermic reaction
- elimination reaction
- electric heater
- electric hammer
- electrical line of force
- electrothermodynamic potential
- EMDA
- electromotive drug administration
- Eretmochelys
- Eumeces
- Elaphe
- Eunectes