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Word of the Day Wednesday, June 10, 2026

octillionth

/ɒktɪˈlɪənθ/ adjective · British & US
Valid in UK
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What does octillionth mean?

adjective

Being in or denoting the 96th power of 10, or 1 followed by 96 zeros.

Example

"The octillionth part of a second is an extremely small unit of time."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymologically related

Synonyms for octillionth

Antonyms of octillionth

Rhymes with octillionth