- Europium nitrate
- Europium oxide
- Eustachian tube
- Eutectic
- Eutectic bonding
- Eutectic system
- Eutrophication
- Euxenite
- Euxinic
- Eval
- Evaluated nuclear data file
- Evaluation function
- Evaluation measures
- Evaluation strategy
- Evanescent
- Evanescent field
- Evanescent waves
- Evaporating cloud
- Evaporation
- Evaporation pan
- Evaporation ponds
- Evaporative cooler
- Evaporative cooling
- Evaporative-pattern casting
- Evaporators
- Evaporites
- Evapotranspiration
- Evasion
- Even and odd functions
- Even permutation
- Evening
- Event calculus
- Event data recorder
- Event horizon
- Event monitoring
- Event study
- Event tree
- Event tree analysis
- Event-driven process chain
- Event-driven programming
- Eventual consistency
- Eventually
- Everest and Jennings
- Evergreen
- Evidence of absence
- Evidence-based design
- Evidence-based medicine
- Evidence-based toxicology
- Eviews
- Evil twin
- Evince
- Evoked potentials
- Evolute
- Evolution
- Evolution strategies
- Evolution strategy
- Evolutionarily stable strategy
- Evolutionary algorithms
- Evolutionary computation
- Evolutionary game theory
- Evolutionary physiology
- Evolutionary programming
- Evolutionary psychology
- Evolutionary robotics
- Evolvable hardware
- Evolved gas analysis
- Ewald sphere
- Ewald summation
- Ex situ
- ExPASy
- Exact algorithm
- Exact cover
- Exact differential
- Exact statistics
- Exact test
- Example-based machine translation
- Examples of data mining
- Exascale
- Exascale computing
- Excavators
- Exception handling
- Excess chemical potential
- Excess post-exercise oxygen consumption
- Excess property
- Excess-3
- Exchange bias
- Exchange current density
- Exchange rate
- Excimer
- Excimer lamp
- Excimer lasers
- Excipients
- Excitation
- Excitation filter
- Excitatory
- Excitatory amino acid
- Excitatory synapses
- Excited states
- Exciter
- Exciton-polaritons
- Excitons
- Excitotoxicity
- Excretion
- Exe
- Exec
- Executable
- Execution model
- Execution unit
- Executive function
- Exercise intolerance
- Exercise prescription
- Exercise-associated hyponatremia
- Exercise-induced asthma
- Exergonic reactions
- Exergy
- Exergy efficiency
- Exertion
- Exfoliated graphite nano-platelets
- Exfoliated graphite nanoplatelets
- Exfoliation
- Exhalation
- Exhaled nitric oxide
- Exhaust gas
- Exhaust gas analyzer
- Exhaust manifold
- Exhaust system
- Exhibition designers
- Existential graphs
- Exit criteria
- Exner equation
- Exocytosis
- Exoelectrogen
- Exoenzymes
- Exogenous DNA
- Exohedral fullerenes
- Exome
- Exome sequencing
- Exon
- Exopolymers
- Exopolyphosphatase
- Exopolysaccharides
- Exorheic
- Exoskeletons
- Exosomes
- Exothermic
- Exothermic process
- Exothermic reaction
- Exothermic welding
- Exotoxin A
- Expandable graphite