nonillions

Numeral

nonillion (plural nonillions)

1. (US, modern British & Australian, short scale) 10³⁰.
   • As we have seen that one nought goes to each potency, for the thirtieth potency we will have for the denominator one followed by thirty noughts; or the original drop of drug in one nonillion drops of alcohol!1922 August, S. E. Chapman, “Potentiality of the Infinitesimals”, in The Pacific coast journal of homœpathy, volume 33, number 8, page 244

   Synonyms:

   1030

2. (dated, British & Australian, long scale) 10⁵⁴.
   • The first six figures from the right hand are called the unit period, the next six the million period, after which the trillion, quadrillion, quintillion, sextillion, septillion, octillion, and nonillion periods, follow in their order.1819, George Gregory, A new and complete dictionary of arts and sciences: including the latest improvement and discovery and the present states of every branch of human knowledge, volume 1, Collins...

   Synonyms:

   1054

See all 3 meanings of nonillion