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  1. Quantum - Wikipedia

    In physics, a quantum (pl.: quanta) is the minimum amount of any physical entity (physical property) involved in an interaction. The fundamental notion that a property can be "quantized" is referred to as …

  2. QUANTUM Definition & Meaning - Merriam-Webster

    The meaning of QUANTUM is quantity, amount. How to use quantum in a sentence.

  3. Quantum | Definition & Facts | Britannica

    Dec 23, 2025 · Quantum, in physics, discrete natural unit, or packet, of energy, charge, angular momentum, or other physical property. Light, for example, appearing in some respects as a …

  4. QUANTUM Definition & Meaning | Dictionary.com

    QUANTUM definition: quantity or amount. See examples of quantum used in a sentence.

  5. QUANTUM | English meaning - Cambridge Dictionary

    QUANTUM definition: 1. the smallest amount or unit of something, especially energy: 2. the smallest amount or unit of…. Learn more.

  6. What is quantum in physics and computing? - TechTarget

    Feb 27, 2025 · Quantum technology uses the nature of subatomic particles to perform calculations instead of electrical signals like classical computing. Quantum computers use quantum bits or qubits …

  7. What Does ‘Quantum’ Actually Mean and Why is it Everywhere?

    Apr 11, 2024 · First of All, What Is Quantum? Quantum, often called quantum mechanics, deals with the granular and fuzzy nature of the universe and the physical behavior of its smallest particles.

  8. Quantum - Definition, Meaning & Synonyms | Vocabulary.com

    While quantum refers to a general quantity or size, it is most often used in physics as a measure of the smallest amount of something — usually energy — that something can possess. The plural form is …

  9. QUANTUM definition and meaning | Collins English Dictionary

    In physics, quantum theory and quantum mechanics are concerned with the behaviour of atomic particles. Both quantum mechanics and chaos theory suggest a world constantly in flux.

  10. Quantum - definition of quantum by The Free Dictionary

    Define quantum. quantum synonyms, quantum pronunciation, quantum translation, English dictionary definition of quantum. n. pl. quan·ta 1. Physics a. The smallest amount of a physical quantity that can …