jillionth
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jillionth — adjective The ordinal form of the number jillion … Wiktionary
jillion — jillionth, n., adj. /jil yeuhn/, Informal. n. 1. an indefinitely vast number; zillion. adj. 2. of or noting such a quantity: a jillion problems. [1940 45; expressive formation based on million, billion, etc.] * * * … Universalium
