China 
Africa 
- Exposome
- Exposure assessment
- Exposure science
- Expression
- Expression cassette
- Expression vectors
- Expressions
- Ext2
- Ext3
- Extended aeration
- Extended discrete element method
- Extended finite element method
- Extended irreversible thermodynamics
- Extended physiological proprioception
- Extended precision
- Extended producer responsibility
- Extended reach drilling
- Extended reality
- Extended x-ray absorption fine structure
- Extensibility
- Extensional fault
- Extensional tectonics
- Extensional viscosity
- Extensionality
- Extensive-form game
- Extensively drug-resistant tuberculosis
- Extensometer
- Extensor carpi radialis brevis
- Extensor carpi radialis longus
- Extensor carpi ulnaris
- Extensor digitorum
- Extensor digitorum longus
- Extensor digitorum longus muscle
- Extensor digitorum muscle
- Extensor pollicis brevis
- Extent of reaction
- External
- External ballistics
- External beam radiotherapy
- External carotid artery
- External combustion engines
- External fertilization
- External fixation
- External floating roof tank
- External flow
- External iliac artery
- External iliac vein
- External limiting membrane
- External render
- External sorting
- External wall insulation
- Externalities
- Externality
- Extinction coefficient
- Extinction events
- Extinction ratio
- Extra dimensions
- Extracellular fluid
- Extracellular matrix
- Extracellular signal-regulated kinases
- Extracellular space
- Extracellular vesicles
- Extrachromosomal DNA
- Extracorporeal membrane oxygenation
- Extract class
- Extraction
- Extractive industries
- Extractive metallurgy
- Extranets
- Extraocular muscles
- Extraordinary optical transmission
- Extrapolation
- Extrapyramidal
- Extravasation
- Extravehicular activity
- Extremal optimization
- Extreme environments
- Extreme learning machine
- Extreme points
- Extreme pressure additive
- Extreme ultraviolet
- Extreme value theorem
- Extreme value theory
- Extremophiles
- Extrinsic semiconductor
- Extrusion
- Extrusion moulding
- Extrusion welding
- Extrusive
- Exudate
- Eye bolt
- Eye chart
- Eye disease
- Eye drops
- Eye examination
- Eye injury
- Eye movements
- Eye pattern
- Eye protection
- Eye strain
- Eye surgery
- Eye tracking
- Eyelid
- Eyring equation
- Ezetimibe
- Ezh2
- F number
- F region
- F-centers
- F-distribution
- F-number
- F-score
- F-test
- F-test of equality of variances
- F1 hybrid
- F1 score
- FAB
- FABP
- FACS
- FAD
- FADD
- FADEC
- FAP
- FBS
- FBX
- FC receptor
- FC region
- FCAW
- FCC
- FCS
- FCVS
- FDD
- FDM
- FDR
- FDTD
- FEAL
- FEC
- FED
- FEFLOW
- FEP
- FET
- FET amplifier
- FFA
- FFF
- FFP2
- FFR
- FFT
- FGD
- FGF
- FGFR