Definition of classical mechanics

physics
: a theory of matter that is based on Newtonian (see newtonian sense 2) mechanics and describes the behavior of particles in the absence of quantum effects — compare quantum mechanics

Examples of classical mechanics in a Sentence

Recent Examples on the Web Over the past several decades, researchers have achieved a greater understanding of how quantum mechanics inevitably becomes classical mechanics through an interaction between a particle or other microscopic system and its surrounding environment. Wired, "Quantum Darwinism Could Explain What Makes Reality Real," 28 July 2019 Over the past several decades, researchers have achieved a greater understanding of how quantum mechanics inevitably becomes classical mechanics through an interaction between a particle or other microscopic system and its surrounding environment. Philip Ball, WIRED, "Quantum Darwinism Could Explain What Makes Reality Real," 28 July 2019 Over the past several decades, researchers have achieved a greater understanding of how quantum mechanics inevitably becomes classical mechanics through an interaction between a particle or other microscopic system and its surrounding environment. Wired, "Quantum Darwinism Could Explain What Makes Reality Real," 28 July 2019 Over the past several decades, researchers have achieved a greater understanding of how quantum mechanics inevitably becomes classical mechanics through an interaction between a particle or other microscopic system and its surrounding environment. Philip Ball, WIRED, "Quantum Darwinism Could Explain What Makes Reality Real," 28 July 2019 Over the past several decades, researchers have achieved a greater understanding of how quantum mechanics inevitably becomes classical mechanics through an interaction between a particle or other microscopic system and its surrounding environment. Philip Ball, WIRED, "Quantum Darwinism Could Explain What Makes Reality Real," 28 July 2019 Over the past several decades, researchers have achieved a greater understanding of how quantum mechanics inevitably becomes classical mechanics through an interaction between a particle or other microscopic system and its surrounding environment. Wired, "Quantum Darwinism Could Explain What Makes Reality Real," 28 July 2019 Over the past several decades, researchers have achieved a greater understanding of how quantum mechanics inevitably becomes classical mechanics through an interaction between a particle or other microscopic system and its surrounding environment. Wired, "Quantum Darwinism Could Explain What Makes Reality Real," 28 July 2019 Over the past several decades, researchers have achieved a greater understanding of how quantum mechanics inevitably becomes classical mechanics through an interaction between a particle or other microscopic system and its surrounding environment. Philip Ball, WIRED, "Quantum Darwinism Could Explain What Makes Reality Real," 28 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'classical mechanics.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of classical mechanics

1901, in the meaning defined above

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The first known use of classical mechanics was in 1901

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Cite this Entry

“Classical mechanics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/classical%20mechanics. Accessed 24 Sep. 2020.

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