Dictionary

quantum mechanics

noun plural but singular or plural in construction

physics : a branch of physics that deals with the structure and behavior of very small pieces of matter

Full Definition of QUANTUM MECHANICS

:  a theory of matter that is based on the concept of the possession of wave properties by elementary particles, that affords a mathematical interpretation of the structure and interactions of matter on the basis of these properties, and that incorporates within it quantum theory and the uncertainty principle —called also wave mechanics
quantum mechanical adjective
quantum mechanically adverb

First Known Use of QUANTUM MECHANICS

1922

quantum mechanics

noun plural but singular or plural in construction    (Medical Dictionary)

Medical Definition of QUANTUM MECHANICS

:  a theory of matter that is based on the concept of the possession of wave properties by elementary particles, that affords a mathematical interpretation of the structure and interactions of matter on the basis of these properties, and that incorporates within it quantum theory and the uncertainty principle—called also wave mechanics
quantum mechanical adjective
quantum mechanically adverb

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