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quantum
[ kwon-tuhm ]
noun
- quantity or amount:
the least quantum of evidence.
- a particular amount.
- a share or portion.
- a large quantity; bulk.
- Physics.
- the smallest quantity of radiant energy, equal to Planck's constant times the frequency of the associated radiation.
- the fundamental unit of a quantized physical magnitude, as angular momentum.
adjective
- sudden and significant:
a quantum increase in productivity.
quantum
/ ˈkwɒntəm /
noun
- physics
- the smallest quantity of some physical property, such as energy, that a system can possess according to the quantum theory
- a particle with such a unit of energy
- amount or quantity, esp a specific amount
- often used with a negative the least possible amount that can suffice
there is not a quantum of evidence for your accusation
- something that can be quantified or measured
- modifier loosely, sudden, spectacular, or vitally important
a quantum improvement
quantum
/ kwŏn′təm /
, Plural quanta
- A discrete, indivisible manifestation of a physical property, such as a force or angular momentum. Some quanta take the form of elementary particles; for example, the quantum of electromagnetic radiation is the photon, while the quanta of the weak force are the W and Z particles.
- See also quantum state
Word History and Origins
Origin of quantum1
Word History and Origins
Origin of quantum1
Example Sentences
The chip is the latest development in a field known as quantum computing - which is attempting to use the principles of particle physics to create a new type of mind-bogglingly powerful computer.
The scientist now for the first time have experimentally implemented a so-called quantum resistance standard that can operate without an externally applied magnetic field.
When connected to a power source, electrons travel down the tip and make a quantum leap across the atom-sized gap.
JJ: There’s so much contradiction within the music on “Quantum Baby” that mimics quantum theory.
Diamond surfaces play a critical role in stabilising quantum states, such as those used in quantum computers.
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