classical mechanics
noun
plural in form but singular or plural in construction
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
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“Classical mechanics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/classical%20mechanics. Accessed 4 Sep. 2025.
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