Nonillion Definition

nō-nĭlyən

noun

The cardinal number equal to 10³⁰ .

American Heritage

The number represented by 1 followed by 30 zeros.

Webster's New World

The number represented by 1 followed by 54 zeros.

Webster's New World

The cardinal number equal to 10⁵⁴ .

American Heritage

(hyperbolic) An unspecified very large number.

Wiktionary

adjective

Amounting to one nonillion in number.

Webster's New World

Other Word Forms of Nonillion

Singular:

nonillion

Plural:

nonillions

French Latin nōnus ninth nona– French million million (from Old French milion million)

From American Heritage Dictionary of the English Language, 5th Edition
non- (“nine") +"Ž -illion

From Wiktionary

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