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Definition: repetition of messages to reduce the probability of errors in transmission

Your choice?
  • reed canary grass  (Definition: perennial grass of marshy meadows and ditches having broad leaves; Europe and North America)
  • reef whitetip shark
  • redundancy
  • reenforcement  (Definition: a military operation (often involving new supplies of men and materiel) to strengthen a military force or aid in the performance of its mission)