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quantum

quantum

64 8.7
The smallest unit of a physical amount, like energy in physics
  • noun
  • /ˈkwɒntəm/
  • Specialized
translation icon : cuanto
  • In quantum theory, a photon is considered a quantum of light.
  • quantum mechanics
  • quantum theory
  • quantum physics

Examples

  • Every kind of particle is a quantum of some field.

  • Think about quantum entanglement.

  • Okay, class, we talked last week about quantum states.

  • I mean, I believe in quantum physics.

  • And they will have to modify that quantum state and split it.

  • I would suggest that it may be even more helpful for understanding quantum mechanics.

    Academic text (2012)
  • Are you having any trouble with quantum entanglement?

  • The emergence of quantum effects on a macroscopic level.

  • The idea behind quantum information processing is to use quantum superposition states to transmit, store, and process information.

    Academic text (2012)
  • In addition, proper treatment of chemical bonding must take into consideration quantum effects, which further increase computational demands.

    Academic text (2012)

Compounds

quantum mechanics
  • Specialized
31 5.6

A branch of physics that explains how very small particles like atoms and electrons behave

quantum physics
  • Specialized
19 5.5

The study of how matter and energy behave inside atoms and very small particles

8 5.5

A sudden big change that makes something much better

quantum theory
  • Specialized
7 7.4

A theory in physics that says some things like energy exist only as small, separate amounts

quantum computer
  • Specialized
4 7.0

A machine that uses tiny particles' strange behaviour to solve some problems much faster than normal computers

1 9.9

A theory in physics that explains how light and tiny particles interact

quantum field theory
  • Specialized
1 8.2

A branch of physics explaining how very small particles and fields interact

9.9

A joke name for a sorting method that tries random orders until the list is sorted and is very slow

9.9

A physics theory explaining the strong force that holds quarks inside protons and neutrons

quantum jump
  • Specialized
8.5

A sudden change in an electron's energy level when it gains or loses energy

A very large and sudden improvement or step forward

9.9

A way to get fair payment for work when no price is agreed

How Classical

classical
  • Specialized
15 6.5
pseudoclassical
  • Specialized
9.9
semiclassical
  • Specialized
8.6
quantum
  • Specialized
64 8.7

Surface Forms

quantum singular
quanta plural

Etymology

The word quantum comes from the Latin quantus, meaning 'how much', and is related to the word quantity. In physics, it came to mean the smallest possible 'amount' or unit of something, so a quantum is the tiniest separate piece of energy or matter.