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 The latest demonstration also builds on QC Ware’s previous research into hybrid quantum-classical chemistry. — Neetika Walter, Interesting Engineering, 7 Aug. 2026 The hardest problem in quantum computing isn’t building more qubits. — John Koetsier, Forbes.com, 7 Aug. 2026 Helium-3 — an isotope that’s extremely rare on Earth but possibly abundant on the moon — could be used in fields such as quantum computing or nuclear fusion. — Jackie Wattles, CNN Money, 7 Aug. 2026 The researchers showed that this unique quantum system exactly reflects the Riemann zeta function. — Joseph Howlett, Scientific American, 6 Aug. 2026 See All Example Sentences for quantum
Recent Examples of Synonyms for quantum
  1. amount
  2. quantity
Noun
  • However, consuming large amounts—such as those used in studies where up to 1/2 cup was consumed daily—can start to weaken and damage tooth enamel.
    — MD Published, Verywell Health, 10 Aug. 2026
  • Fontainbleau There will be an extraordinary amount of money moving through Las Vegas when Formula One returns to the Strip this November.
    — Kate Hardcastle, Forbes.com, 10 Aug. 2026
Definition of amount
Noun
  • That mind is a model, an enormous statistical object assembled by feeding it a quantity of text and images nobody has ever fully itemized.
    — Jason Snyder, Forbes.com, 8 Aug. 2026
  • Sand quantity Every kinetic sand kit includes a different amount of sand.
    — BestReviews, Chicago Tribune, 7 Aug. 2026
Definition of quantity

Phrases Containing quantum

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quantity
quantum
quantum leap
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Cite this Entry

“Quantum.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/quantum. Accessed 11 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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