external disk drive
External economies & diseconomies of scale
External economy
external environment
External finance
External financial limits
External growth
external impedance
external interrupt
External labour market
external load circuit
external memory
external procedure
external reference
external register
External reserve
external resistance
external storage
external symbol
external table
externalise
externalism
Externalities
externality
externalization
externalize
externally
externals
externodorsal
exteroceptive