Definitions for quantumˈkwɒn təm

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Random House Webster's College Dictionary

quan•tumˈkwɒn təm(n.; adj.)(pl.)-ta

  1. (n.)quantity or amount:

    the least quantum of evidence.

  2. share; portion.

  3. a large quantity.

  4. the smallest excitation of a quantized wave or field, as a photon or phonon. the fundamental unit of a quantized physical property, as angular momentum, and the smallest amount by which its magnitude can change.

    Category: Physics

  5. (adj.)sudden and significant:

    a quantum increase in productivity.

    Category: Common Vocabulary

Origin of quantum:

1610–20; L quantus how much

Princeton's WordNet

  1. quantum(noun)

    a discrete amount of something that is analogous to the quantities in quantum theory

  2. quantum(noun)

    (physics) the smallest discrete quantity of some physical property that a system can possess (according to quantum theory)

Wiktionary

  1. quantum(Noun)

    The total amount of something; quantity.

  2. quantum(Noun)

    The amount or quantity observably present, or available.

  3. quantum(Noun)

    The smallest possible, and therefore indivisible, unit of a given quantity or quantifiable phenomenon.

  4. quantum(Adjective)

    Of a change, sudden or discrete, without intermediate stages.

  5. quantum(Adjective)

    Of a change, significant.

  6. quantum(Adjective)

    Involving quanta

  7. quantum(Adjective)

    Relating to a quantum computer

  8. Origin: From quantum, noun use of neuter form of quantus.

Webster Dictionary

  1. Quantum(noun)

    quantity; amount

  2. Quantum(noun)

    a definite portion of a manifoldness, limited by a mark or by a boundary


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