10 letters · 17 points in Scrabble
noun repetition of messages to reduce the probability of errors in transmission
noun the attribute of being superfluous and unneeded
noun (electronics) a system design that duplicates components to provide alternatives in case one component fails
originEtymology tree English redundant English -cy English redundancy From redundant + -cy.
Etymology from Wiktionary, CC BY-SA 3.0