- episperm
- endosperm
- escritoire
- escort
- electrologist
- endodontist
- exodontist
- electron multiple phototube
- enchondroma
- epideictic oratory
- electron accelerator
- electron capture
- electromyographic change
- electron drift
- electron exchange
- electron density
- electrophorus
- eelgrass
- esteem
- esteemed
- ethic
- ethhoxylation
- eigen
- ethical
- emergent
- egotism
- expedience
- evaporability
- evaporation
- evaporating
- evaporative cooler
- equisetum sylvaticum
- Equisetum hyemale robustum
- Equisetum fluviatile
- Equisetum palustre
- Equisetum hyemale
- Equisetum robustum
- Equisetum arvense
- evenness
- evenly
- evens
- enfranchised
- elector
- electoral system
- eucalyptus oil
- electromotive force
- emf
- erik von willebrand
- erik adolf von willebrand
- e. a. von willebrand