engi - exon
- erosion of surfaces near the bottom of the cut
- erosion pattern
- erosion plot
- erosion rate-time curve
- erosion rate-time pattern
- erosion resistant matrix body
- erosion series
- erosion-hazard rating
- erosion-prone land
- erosional hiatus
- erosional truncation
- erosive attack
- erosive stream size
- erosive wear
- ERP
- erradicant fungicide
- errant program
- erratic gas quality
- erratic potential
- erratic tendency
- erratic welding
- erroneous bit stream
- error action
- error bar
- error bit stream
- error burst
- error checker
- error condition
- error constellation
- error containment
- error control
- error control equipment
- error control unit
- error correcting system by information feedback
- error decoding
- error detecting and feedback
- error detector
- error domain
- error elements
- error exponent