(n.) 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.

a billion a crore a lakh a million a myriad a nonillion a quadrillion a thousand a zillion astronomical number googol googolplex infinitude infinity jillion large number milliard trillion zillion