redundancy
noun(re-dun-dan-cy)
the attribute of being superfluous and unneeded
Examples:
The use of industrial robots created redundancy among workers.
redundancy
noun(re-dun-dan-cy)
(electronics) a system design that duplicates components to provide alternatives in case one component fails
redundancy
noun(re-dun-dan-cy)
repetition of an act needlessly
redundancy
noun(re-dun-dan-cy)
repetition of messages to reduce the probability of errors in transmission