- Emotions
- Emotions in decision-making
- Empathic design
- Empathy
- Empennage
- Emphasis
- Empirical Bayes
- Empirical distribution function
- Empirical formula
- Empirical likelihood
- Empirical model
- Empirical modelling
- Empirical probability
- Empirical process
- Empirical risk minimization
- Empirical software engineering
- Emplaced
- Employment rate
- Empowerment
- Empty graph
- Empty string
- Empty weight
- Empyema
- Emu oil
- Emulsified fuel
- Emulsion dispersion
- Emulsion polymerization
- Emulsions
- En route
- Enabling
- Enactivism
- Enamel
- Enamel hypoplasia
- Enamel paint
- Enamine
- Enantiomeric excess
- Enantiomers
- Enargite
- Encapsulation
- Encased
- Encasement
- Encephalitis
- Encephalopathy
- Encircled energy
- Encoder
- Encryption
- Encryption software
- End artery
- End correction
- End effector
- End group
- End mills
- End organ damage
- End-systolic volume
- End-to-end delay
- End-to-end distance
- End-to-end encryption
- End-user computing
- End-user development
- Endarterectomy
- Endcapping
- Endergonic
- Endmember
- Endmills
- Endo agar
- Endocardial
- Endocarditis
- Endochondral ossification
- Endocrine
- Endocrine diseases
- Endocrine disorders
- Endocrine disruptors
- Endocrine glands
- Endocrine system
- Endocrinology
- Endoderm
- Endogeneity
- Endogenous
- Endoglin
- Endohedral fullerenes
- Endolymph
- Endometrial
- Endometrial cancer
- Endometritis
- Endomyocardial biopsy
- Endomysium
- Endoneurium
- Endonucleases
- Endopeptidase
- Endophthalmitis
- Endophytes
- Endophytic
- Endoplasmic reticulum
- Endoplasmic reticulum stress
- Endorheic
- Endorheic basin
- Endorheic lake
- Endorphins
- Endoscopic retrograde cholangiopancreatography
- Endoscopic submucosal dissection
- Endoscopic ultrasound
- Endoscopy
- Endosomes
- Endospores
- Endosteum
- Endosulfan
- Endothall
- Endothelial
- Endothelial activation
- Endothelial cell
- Endothelial dysfunction
- Endothelial progenitor cells
- Endothelin
- Endothelin 1
- Endothermic
- Endothermic gas
- Endothermic process
- Endotracheal tube
- Endovascular aneurysm repair
- Endovascular coiling
- Endrin
- Ene reaction
- Energetic materials
- Energy accidents
- Energy balance
- Energy budget
- Energy carrier
- Energy cascades
- Energy charge
- Energy conversion
- Energy conversion efficiency
- Energy crisis
- Energy crops
- Energy demand management
- Energy democracy
- Energy density
- Energy development
- Energy distance
- Energy drinks
- Energy economics
- Energy efficiency
- Energy efficiency in transport
- Energy engineering
- Energy expenditure
- Energy factor
- Energy flows
- Energy flux
- Energy forecasting
- Energy gap
- Energy harvesting