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1. The cardinal number equal to 1030.
2. Chiefly British The cardinal number equal to 1054.

[French : Latin nōnus, ninth; see nona- + French million, million (from Old French milion; see million).]

no·nil′lion adj.


1. (Mathematics) (in Britain, France, and Germany) the number represented as one followed by 54 zeros (1054)
2. (Mathematics) (in the US and Canada) the number represented as one followed by 30 zeros (1030). Brit word: quintillion
[C17: from French, from Latin nōnus ninth, on the model of million]
noˈnillionth adj, n


(noʊˈnɪl yən)

n., pl. -lions, (as after a numeral) -lion, n.
1. a cardinal number represented in the U.S. by 1 followed by 30 zeros, and in Great Britain by 1 followed by 54 zeros.
2. amounting to one nonillion in number.
[1680–90; < French, =non- (< Latin nōnus ninth) + -illion, as in million million]
no•nil′lionth, n., adj.
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References in periodicals archive ?
A column of figures show representation for the numbers hundred through nonillion, with ever increasing triple zeros.
9 nonillion dollars, but on Earth, the diamonds would be worth less than dirt.
340 undecillion, 282 decillion, 366 nonillion, 920 octillion, 938 septillion, 463 sextillion, 463 quintillion, 374 quadrillion, 607 trillion, 431 billion, 768 million, 211 thousand and 456.
For example, AFTEREFFECTS is a left-hand qwerty, while NONILLION is a right-hand qwerty.
Saey explains: "The reader is correct that we meant nonillion, not quintillion.
Three hundred and forty undecillion, two hundred and eighty-two decillion, three hundred and sixty-six nonillion, nine hundred and twenty octillion, nine hundred and thirty-eight septillion, four hundred and sixty-three sextillion, four hundred and sixty-three quintillion, three hundred and seventy-four quadrillion, six hundred and seven trillion, four hundred and thirty-one billion, seven hundred and sixty-eight million, two hundred and eleven thousand, four hundred and fifty-six.
In January 2009, the UN was continuing to quote an exchange rate of some 350 nonillion Zimbabwe dollars to one US dollar (old Zimbabwe dollars), but by this point, the Zimbabwe dollar had effectively ceased to function.
He states that the groups can be called "million, the second mark billion, the third mark trillion, the fourth quad-rillionthe fifth quintillion, the sixth sexilion, the seventh septillion, the eighth octillion, the ninth nonillion and so on with others as far as you wish to go".