physics

noun

phys·​ics ˈfi-ziks How to pronounce physics (audio)
plural in form but singular or plural in construction
1
: a science that deals with matter and energy and their interactions
2
a
: the physical processes and phenomena of a particular system
b
: the physical properties and composition of something

Examples of physics in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Similarly, analysis of complex scientific problems, such as protein folding prediction or particle physics trajectories, or materials design assists human scientific understanding. Matt Robison, Newsweek, 25 Feb. 2025 Quantum will have a direct impact on many scientific fields, including biology, chemistry, physics, and mathematics. Chuck Brooks, Forbes, 22 Feb. 2025 Neil Johnson, a George Washington University physics professor who studies how misinformation and hate speech spread online, said the Community Notes model is problematic, but not because it can be gamed by large institutions. Jonathan Vanian,lora Kolodny, CNBC, 21 Feb. 2025 The physics that theoretically would power such a chip is hard to understand — even for some physicists. Paul Smaglik, Discover Magazine, 20 Feb. 2025 See All Example Sentences for physics

Word History

Etymology

Latin physica, plural, natural science, from Greek physika, from neuter plural of physikos of nature, from physis growth, nature, from phyein to bring forth — more at be

First Known Use

1715, in the meaning defined at sense 1

Time Traveler
The first known use of physics was in 1715

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Cite this Entry

“Physics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/physics. Accessed 4 Mar. 2025.

Kids Definition

physics

noun
phys·​ics ˈfiz-iks How to pronounce physics (audio)
1
: a science that deals with matter and energy and their actions upon each other in the fields of mechanics, heat, light, electricity, sound, and the atomic nucleus
2
: physical composition, characteristics, or processes
the physics of sound

Medical Definition

physics

noun, plural in form but singular or plural in construction
phys·​ics ˈfiz-iks How to pronounce physics (audio)
: a science that deals with matter and energy and their interactions in the fields of mechanics, acoustics, optics, heat, electricity, magnetism, radiation, atomic structure, and nuclear phenomena

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