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

In fact, randomness is an inherent aspect of quantum mechanics. —Steven Strogatz, Quanta Magazine, 17 Apr. 2025

By leveraging quantum mechanics, these computers can process vast amounts of data simultaneously, offering unmatched speed and accuracy. —Madhava Rao Kunchala, Forbes.com, 15 Apr. 2025

In quantum mechanics, quantum leaps, called quantization, mean particles can transition between discrete energy states without passing through intermediate positions. —Gregory Crawford, Forbes.com, 10 Apr. 2025

One blow came in the early 1900s with the discovery of quantum mechanics. —Charlie Wood, Wired News, 6 Apr. 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