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Word of the Day Tuesday, June 9, 2026

quintillions

/kwɪntɪˈlʌnz/ noun · British & US
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What does quintillions mean?

noun

A very large number, equal to 1 followed by 18 zeros, or 10^18. Used to express extremely large quantities.

Example

"The universe contains an estimated quintillion stars."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for quintillions

Antonyms of quintillions

Rhymes with quintillions

Etymologically related