- external cost
- external crack
- external currency
- external current
- external data
- external database
- external debt
- external declaration
- external declarator
- external definition
- external depreciation
- external device
- external diameter
- external dimension
- external dimensions
- external disturbance
- external document
- external dollar
- external domain
- external downpipe
- external effects
- external elements
- external energy
- external entity
- external environment
- external error
- external event
- external excitation
- external fat
- external feedback
- external file
- external fin
- external finances
- external financing
- external force
- external format
- external friction
- external function
- external gauge
- external gear
- external glazing
- external grid
- external heater
- external identifier
- external imbalance
- external impedance
- external indicator
- external inductance
- external injection
- external input
- external insulation
- external interdependence
- external interface
- external interference
- external interrupt
- external interruption
- external interrupts
- external intervention
- external jetting
- external label
- external lapping
- external length
- external level
- external liabilities
- external line
- external liquidity
- external loan
- external logic
- external management
- external manager
- external market
- external medium
- external member
- external memory
- external meningitis
- external merge
- external micrometer
- external migration
- external milling
- external mirror
- external model
- external modem
- external modulation
- external noise
- external number
- external object
- external overvoltage
- external pachymeningitls
- external packing
- external page
- external pathology
- external payment
- external pelvimetry
- external pericarditis
- external pile
- external plasticizer
- external polygon
- external pressure
- external prestress
- external prestressing