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

Synonyms & Similar Words

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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 Freezing dormant coins, supporters argue, beats letting a future quantum thief drain them and dump them on the market. — Boaz Sobrado, Forbes.com, 2 Aug. 2026 This breakthrough could eventually lead to smaller, denser, and more efficient photonic chips for communications, quantum technologies, and optical computing. — Rupendra Brahambhatt, Interesting Engineering, 1 Aug. 2026 Broadbent and quantum computing researcher Andrea Coladangelo say the results appear convincing. — Peter Hall, Scientific American, 31 July 2026 Trust, but verify At this point, there have been many claims of quantum advantage, and at least one has the potential to be useful. — ArsTechnica, 30 July 2026 See All Example Sentences for quantum
Recent Examples of Synonyms for quantum
  1. amount
  2. quantity
Noun
  • The researchers used the acid as a leaching agent for olivine, a common greenish mineral containing small amounts of nickel.
    — New Atlas, New Atlas, 27 July 2026
  • Now, Sedalia is connected via major highways 50 and 65, which Imhauser said brings in a huge amount of traffic.
    — Sophie Lindberg, Kansas City Star, 26 July 2026
Definition of amount
Noun
  • The quantity is appealing, but in the return from Atlanta, who is a true impact player/pitcher to help fill part of Skubal’s shoes?
    — Jesús Cano, New York Times, 31 July 2026
  • The move is a massive upgrade over Baku’s existing and aging fleet of MiG-29 Fulcrum fighter jets and will likely give it the most powerful air force in the South Caucasus in terms of both quality and quantity.
    — Paul Iddon, Forbes.com, 31 July 2026
Definition of quantity

Phrases Containing quantum

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quantity
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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 2 Aug. 2026.

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More from Merriam-Webster on quantum

Nglish: Translation of quantum for Spanish Speakers

Britannica.com: Encyclopedia article about quantum

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