- emitter current
- emitter electrode
- emphysatherapy
- empirical
- empirical method
- emplacement
- employment links
- employment schedule
- empower
- empties
- emptying
- emptying valve
- emulation
- emulsion
- emulsion side
- emulsionize
- enabling
- enamel bloating
- enamel color
- enamel furnace
- enameled brick
- enamelum
- encapsulate
- encapsule
- encaustic tile
- encipher
- encipherment
- encircling dike
- enclose
- enclosed vessel
- enclosing bed
- enclosure
- encoder
- encoding matrix
- encounter problem
- encryption key
- end cap
- end clearance
- end face
- end float
- end lathe
- end plane
- end point
- end position
- end shield
- enderon
- ending point
- endless loop
- endocrine
- endoergic reaction
- endogenetic rock
- endoscope
- endothermic process
- endurance
- endurance failure
- endurance resistance
- energy absorption
- energy conservation
- energy dam
- energy dissipater
- energy efficiency
- energy function
- energy method
- energy quantum
- energy recovery
- energy requirement
- energy saving
- energy storage
- energy unit
- engaged column
- engine curves
- engine house
- engine lubrication
- engine output
- engine room
- engine seating
- engine-driven
- engineer fabric
- engineering board
- engineering cost
- engineering department
- engineering geology
- engineering report
- engineering shop
- englacial moraine
- Engler viscometer
- english truss
- engram
- engraver
- engraving lathe
- enhancement type
- enigmatic
- enlargement
- enough
- enquiry
- enrichment
- ensiform appendix
- ensure
- entablement
- entanglement