Definition of quintillion
US : a number equal to 1 followed by 18 zeros — see number table; also, British : a number equal to 1 followed by 30 zeros — see number table
quintillion
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Recent Examples of quintillion from the Web
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The rapid pulse of text messages will be braided with the slow texts of books, the heartbeats of humans synced with the oscillations of machines, the electricity of 80 quintillion transistors merging with the electricity of 7 billion people.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'quintillion'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of quintillion
Latin quintus + English -illion (as in million)
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