Decimation meaning

The killing or destruction of a large portion of a population.
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A selection of every tenth person by lot, as for punishment.
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(mathematics) The creation of a new sequence comprising only every nth element of the original sequence.
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(telecommunications) A digital signal processing technique for reducing the number of samples in a discrete-time signal.
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Origin of decimation

  • From Latin decimātiō, a punishment where every 10th man in a unit would be stoned to death by the men who were spared. Used by the Romans to keep order in their military. Compare septimation and vicesimation.
    From Wiktionary