erro - facs
- error
- error check
- error detection
- error detector
- error diagnosis
- error function
- error inputoutput microprocessor
- error interrupt
- error pulse
- error rate
- error recovery
- error register
- error signal
- error tape
- error variance
- error voltage
- error-control equipment
- error-correcting code
- error-correcting telegraph system
- error-detecting and feedback system
- error-detecting code
- error-feedback adjustment
- error-free running period
- error-free running time
- error-sensing device
- eruption
- erythemal flux
- erythrosin
- esaki effect
- esaki junction
- esaki tunnel diode
- escape
- escape ratio
- esculin
- escutcheon
- established reliability
- ester linkage
- estiatron
- estimate
- estimation
