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Word of the Day Wednesday, June 10, 2026

quintillionths

/kwɪntɪlˈjɒnz/ noun · British & US
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What does quintillionths mean?

noun

A quintillionth is a one followed by 60 zeros, or 10 to the power of -60. It is a unit of measurement used to express very small quantities.

Example

"The scientist calculated the exact value of the quintillionths of a second it took for the particle to decay."

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

Synonyms for quintillionths

Antonyms of quintillionths

Rhymes with quintillionths

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