quantum mechanics

noun

plural in form but singular or plural in construction

: 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

Examples of quantum mechanics in a Sentence

Recent Examples on the Web

Quantum computing is aimed at using the subatomic forces of quantum mechanics to solve complex problems. —Robert McCoppin, Chicago Tribune, 21 Oct. 2024

By using the concepts of quantum mechanics to execute operations at previously unheard-of speeds and efficiency, quantum computing is revolutionizing industries and changing the technological landscape. —Rohan Pinto, Forbes, 20 Nov. 2024

The challenge for theorists is to find ways to unite the disparate theories of relativity and quantum mechanics in a theory of ‘loop’ quantum gravity that correctly predicts observations. —The Physics Arxiv Blog, Discover Magazine, 31 July 2024

Quantum information theorists like me think about quantum mechanics as a theory of information principles rather than a theory of forces. —William Mark Stuckey, The Conversation, 30 July 2024

Word History

First Known Use

1922, in the meaning defined above

Medical Definition

quantum mechanics

noun, plural in form but singular or plural in construction

: 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