Category:Billion

Bil"lion, n. Etym: [F. billion, arbitrarily formed fr. L. bis twice, in imitation of million a million. See Million.]

Defn: 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.