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 uses quantum mechanics to solve complex problems that traditional computers cannot handle, potentially revolutionizing fields like medicine and energy. —Karoline Leonard, Austin American Statesman, 30 July 2025

The current moment feels like the early days of quantum mechanics, when physicists were forced to abandon intuitive notions of reality. —Raff Ripoll, Forbes.com, 29 July 2025

Scientists use the theory of general relativity to explain gravity, and quantum mechanics to understand the behavior of the smallest particles. —Andrew Montequin, jsonline.com, 24 July 2025

The technology aims to solve problems that are too complex for classical computers using quantum mechanics. —Julie Coleman, CNBC, 24 July 2025

Word History

First Known Use

1922, in the meaning defined above

Rhymes for quantum mechanics

• biomechanics
• hispanics
• organics
• volcanics
• panics

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