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Related to Names of large numbers: quintillion, septillion


1. The cardinal number equal to 10303.
2. Chiefly British The cardinal number equal to 10600.

[Latin centum, hundred; see dekm̥ in Indo-European roots + (m)illion.]

cen·til′lion adj.
cen·til′lionth adj.adv. & n.


n, pl -lions or -lion
1. (Mathematics) (in Britain and Germany) the number represented as one followed by 600 zeros (10600)
2. (Mathematics) (in the US, Canada, and France) the number represented as one followed by 303 zeros (10303)


(sɛnˈtɪl yən)

n., pl. -lions, (as after a numeral) -lion, n.
1. a cardinal number represented in the U.S. by 1 followed by 303 zeros, and in Great Britain by 1 followed by 600 zeros.
2. amounting to one centillion in number.
[1850–55; < Latin cent(um) hundred + -illion (as in million, billion, etc.)]
cen•til′lionth, n., adj.
References in periodicals archive ?
As a result of this the names of large numbers of children previously considered at risk were removed from the register.