quadrillion

noun

qua·dril·lion kwä-ˈdril-yən

US : a number equal to 1 followed by 15 zeros see Table of Numbers

also, British : a number equal to 1 followed by 24 zeros see Table of Numbers

quadrillion adjective

quadrillionth

kwä-ˈdril-yən(t)th

adjective or noun

Examples of quadrillion in a Sentence

Recent Examples on the Web

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

All four quadrillion connections in the human brain will be mapped. —

Eli Amdur, Forbes, 15 Oct. 2024 Dimming the sun is not as easy as flipping a switch, and requires the release of a quadrillion nearly invisible particles that must be tailored to just the right size. —

Marina Koren, The Atlantic, 12 Oct. 2024 The crystals can hold quadrillions of atoms instead of just a few, so a laser could rule out wavelengths at a rapid clip. —

Quanta Magazine, 4 Sep. 2024 Hard Science Einstein’s theory of general relativity passes another test, with implications for dark matter and dark energy The theory is accurate within at least one part in a quadrillion. —

Big Think, 24 June 2024 See all Example Sentences for quadrillion