# quantum mechanics

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## quantum mechanics

*n.*

*(used with a sing. or pl. verb)*

**1.**Quantum theory, especially the quantum theory of the structure and behavior of atoms and molecules.

**2.**See quantum physics.

**quantum mechanical**

*adj.*

## quantum mechanics

*n*

(Atomic Physics) (

*functioning as singular*) the branch of mechanics, based on the quantum theory used for interpreting the behaviour of elementary particles and atoms, which do not obey Newtonian mechanics## quan′tum mechan′ics

*n.*

(

*used with a sing. v.*) a quantum theory of the mechanics of atoms, molecules, and other physical systems subject to the uncertainty principle.[1920–25]

**quan′tum-me•chan′i•cal,**

*adj.*

## quantum mechanics

See quantum theory.

## quantum mechanics

A system of mechanics that supplanted Newtonian mechanics in the study of subatomic particles.

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Noun | 1. | quantum mechanics - the branch of quantum physics that accounts for matter at the atomic level; an extension of statistical mechanics based on quantum theory (especially the Pauli exclusion principle)quantum physics - the branch of physics based on quantum theory wave mechanics - the modern form of quantum theory; an extension of quantum mechanics based on Schrodinger's equation; atomic events are explained as interactions between particle waves |

Translations

**kvantová mechanika**

**kvanttimekaniikka**

**mécanique quantique**

**kvantna mehanika**

meccanica quantistica

**meccanica quantica****mechanika kwantowa**

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