Definition of quattuordecillion

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quat·tu·or·de·cil·lion    (kwt-ôr-d-slyn, kwty-) KEY 

NOUN:

1. The cardinal number equal to 10⁴⁵.
2. Chiefly British The cardinal number equal to 10⁸⁴.

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ETYMOLOGY:
Latin quattuordecim, fourteen ( quattuor, four; see k^wetwer- in Indo-European roots + decem, ten; see deci-) + (m)illion

OTHER FORMS:
quattu·or·di·cillion(Adjective), quattu·or·di·cillionth(Adjective)(Adverb)(Noun)