law of large numbers: Meaning and Definition of

law' of large' num'bers

Pronunciation: [key]
— Math. Math.
  1. the theorem in probability theory that the number of successes increases as the number of experiments increases and approximates the probability times the number of experiments for a large number of experiments.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.