quantum

noun

ˈkwän-təm How to pronounce quantum (audio)
Definition of quantumnext
as in amount
a given or particular mass or aggregate of matter the sum of human knowledge is now so immense that even a highly educated person can hope to absorb only a tiny quantum of it

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Example Sentences

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.
Recent Examples of quantum Their presence provides evidence that the organic assembly exhibits the distinctive properties of a topological quantum material. — Aamir Khollam, Interesting Engineering, 23 Oct. 2026 If there are 1023 particles interfering with one another on such tiny and fast quantum scales, no human has a chance to see constructive quantum interference. — Philipp Strasberg, Scientific American, 20 Oct. 2026 These were then used to estimate the error rate that occurs when the logical qubits are simply used to hold onto the same state, essentially acting as a form of quantum memory. — ArsTechnica, 20 Oct. 2026 See All Example Sentences for quantum
Recent Examples of Synonyms for quantum
  1. amount
  2. quantity
Noun
  • Taiya Herndon is scheduled to appear for a hearing over the amount of her bail, set at $500,000 to be paid in full, on Thursday.
    — Dennis Romero, NBC news, 25 Oct. 2026
  • Who knows if SpaceX will win the war, but with the amount of spectrum being bought by Musk and his ability to access capital, Starlink will most likely take share from Charter and Comcast first, and then AT & T and Verizon next.
    — Jim Cramer, CNBC, 25 Oct. 2026
Definition of amount
Noun
  • Earlier this month, the Group of Seven wealthy democracies agreed to release 100 million barrels of oil and fuel products, beginning with substantial quantities of diesel after the fuel’s price hit a record high in the United States.
    — Samuel Petrequin, Los Angeles Times, 21 Oct. 2026
  • The facts, however, are altogether against any such conclusion, for quite recently no less than 50 artificial butter factories were counted in this city, and large quantities of artificial butter are sold to the customer as genuine butter.
    — Jeanna Bryner, Scientific American, 20 Oct. 2026
Definition of quantity

Phrases Containing quantum

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quantum leap
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Cite this Entry

“Quantum.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/quantum. Accessed 27 Oct. 2026.

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Britannica.com: Encyclopedia article about quantum

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