- external pretressing
- external procedure
- external product
- external reference
- external reflux
- external register
- external rendering
- external report
- external reserves
- external resistance
- external resistor
- external respiration
- external routine
- external saltus
- external schema
- external screw
- external secretion
- external shell
- external signal
- external skin
- external solvency
- external sort
- external source
- external spines
- external spline
- external stairs
- external stemming
- external sterling
- external storage
- external store
- external strain
- external stress
- external subprogram
- external subroutine
- external surface
- external surplus
- external switch
- external symbol
- external table
- external taper
- external temperature
- external tendon
- external thread
- external threading
- external toothing
- external torque
- external trade
- external turning
- external type
- external unit
- external upset
- external value
- external variable
- external variance
- external vibration
- external vibrator
- external voltage
- external work
- external writer
- external-prestressed
- externalise
- externalism
- externality
- externalization
- externalize
- externally
- externally indeterminate
- externally tangent
- externals
- externodorsal
- exteroceptive
- exteroceptive impulses
- exteroceptive system
- exteroceptor
- exteroreception
- exteroreceptive
- exteroreceptor
- exterritorial
- exterritoriality
- extinct
- extinct volcano
- extinction
- extinction angle
- extinction potential
- extinctive
- extine
- extinguish
- extinguishable
- extinguishant
- extinguished mode
- extinguished volcano
- extinguisher
- extinguisher striker
- extinguishing coefficient
- extinguishing powder
- extinguishment
- extinguishment fund
- extirpate
- extirpation
- extirpator