Dictionary entry

Billion

Webster's Dictionary 1913

Bil″lion (�), n. [F. billion, arbitrarily formed fr. L. bis twice, in imitation of million a million. See Million.] According to the French and American method of numeration, a thousand millions, or 1,000,000,000; according to the English method, a million millions, or 1,000,000,000,000. See Numeration.